A single force and a couple acting in the same plane upon a rigid body (A) Balance each other (B) Cannot balance each other (C) Produce moment of a couple (D) Are equivalent

A single force and a couple acting in the same plane upon a rigid body 

(A) Balance each other 

(B) Cannot balance each other 

(C) Produce moment of a couple 

(D) Are equivalent 

by

1 Answer

Answer :

(B) Cannot balance each other 

by

Related questions

A single force and a couple acting in the same plane upon a rigid body?

Description : A single force and a couple acting in the same plane upon a rigid body?

Last Answer : A single force and a couple acting in the same plane upon a rigid body cannot balance each other.

Two coplanar couples having equal and opposite moments (A) Balance each other (B) Produce a couple and an unbalanced force (C) Are equivalent (D) Produce a moment of couple

Description : Two coplanar couples having equal and opposite moments (A) Balance each other (B) Produce a couple and an unbalanced force (C) Are equivalent (D) Produce a moment of couple

Last Answer : (D) Produce a moment of couple

If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either (A) Meet in a point (B) Be all parallel (C) At least two of them must meet (D) All the above are correct

Description : If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either (A) Meet in a point (B) Be all parallel (C) At least two of them must meet (D) All the above are correct

Last Answer : (D) All the above are correct

Two non-collinear parallel equal forces acting in opposite direction (A) Balance each other (B) Constitute a moment (C) Constitute a couple (D) Constitute a moment of couple

Description : Two non-collinear parallel equal forces acting in opposite direction  (A) Balance each other  (B) Constitute a moment  (C) Constitute a couple  (D) Constitute a moment of couple 

Last Answer : (C) Constitute a couple 

When all the forces acting on a body lie in one plane and their lines of action meet at one point, the forces a.constitute a moment b.constitute a couple c.are known as coplaner-concurrent forces. d.are known as non-coplaner forces e.107 dynes

Description : When all the forces acting on a body lie in one plane and their lines of action meet at one point, the forces a.constitute a moment b.constitute a couple c.are known as coplaner-concurrent forces. d.are known as non-coplaner forces e.107 dynes

Last Answer : c. are known as coplaner-concurrent forces.

The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all particles-is known as a.Corollary to Newton's laws of motion b.Principle of dynamics c.D' Alembert's principle d.Nowton's law e.Mohr's principle

Description : The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all ... motion b.Principle of dynamics c.D' Alembert's principle d.Nowton's law e.Mohr's principle

Last Answer : c. D' Alembert's principle

If the positive and negative shear force diagram areas are not equal, it can be concluded that a.shear force diagram has been wrongly drawn b.there is at least one couple acting on the beam c.107 dynes d.there are at least two maxima for bending moment e.bending moment does not change sign

Description : If the positive and negative shear force diagram areas are not equal, it can be concluded that a.shear force diagram has been wrongly drawn b.there is at least one couple acting on the beam c.107 dynes d.there are at least two maxima for bending moment e.bending moment does not change sign

Last Answer : b. there is at least one couple acting on the beam

A couple consists of a force P acting at a point A whose coordinates are (-1,2,4) m and force - F acting at a point whose coordinates are (2,3, -2)m. If F = 3i + 2j - 4k in kg units the moment of the couple in kg - m units would be a.8i - 6j - 3k b.12i - 3j + k c.16i - 12j - 6k d.4i - 3j + k e.8i + 5j + 3k

Description : A couple consists of a force P acting at a point A whose coordinates are (-1,2,4) m and force - F acting at a point whose coordinates are (2,3, -2)m. If F = 3i + 2j - 4k in kg units the moment of the couple in kg - m ... .8i - 6j - 3k b.12i - 3j + k c.16i - 12j - 6k d.4i - 3j + k e.8i + 5j + 3k

Last Answer : a. 8i - 6j - 3k

The moment of a force is a.Equivalent to the algebraic sum of the moments acting on a body b.Equivalent to the sum of horizontal as well as vertical components of the moments on a body c.Equivalent to the sum of the moments acting on a body d.Equivalent to the sum of horizontal components of the moments on a body e.Equivalent to the vertical sum of the moments acting on a body

Description : The moment of a force is a.Equivalent to the algebraic sum of the moments acting on a body b.Equivalent to the sum of horizontal as well as vertical components of the moments on a body c.Equivalent ... of the moments on a body e.Equivalent to the vertical sum of the moments acting on a body

Last Answer : a. Equivalent to the algebraic sum of the moments acting on a body

M L2 T–2 is the dimensional formula for (a) Moment of inertia (b) Pressure (c) Elasticity (d) Couple acting on a body

Description : M L2 T–2 is the dimensional formula for (a) Moment of inertia (b) Pressure (c) Elasticity (d) Couple acting on a body

Last Answer : Ans:(d)

A force acting on a body may (A) Introduce internal stresses (B) Balance the other forces acting on it (C) Retard its motion (D) All of the above

Description : A force acting on a body may  (A) Introduce internal stresses  (B) Balance the other forces acting on it  (C) Retard its motion  (D) All of the above 

Last Answer : (D) All of the above 

The algebraic sum of moments of the forces forming couple about any point in their plane is (A) Equal to the moment of the couple (B) Constant (C) Both of above are correct (D) Both of above are wrong

Description : The algebraic sum of moments of the forces forming couple about any point in their plane is  (A) Equal to the moment of the couple  (B) Constant  (C) Both of above are correct  (D) Both of above are wrong 

Last Answer : (A) Equal to the moment of the couple 

According to law of triangle of forces (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to force (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium (D) If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Description : According to law of triangle of forces  (A) Three forces acting at a point will be in equilibrium  (B) Three forces acting at a point can be represented by a triangle, each side ... point are in equilibrium, each force is proportional to the sine of  the angle between the other two 

Last Answer : (C) If three forces acting upon a particle are represented in magnitude and direction by the  sides of a triangle, taken in order, they will be in equilibrium

According to Lami's theorem (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to force (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium (D) If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Description : According to Lami's theorem (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to ... point are in equilibrium, each force is proportional to the sine of the angle between the other two

Last Answer : Answer: Option D

A sudden jump anywhere on the Bending moment diagram of a beam is caused by (a) Couple acting at that point (b) Couple acting at some other point (c) Concentrated load at the point (d) Uniformly distributed load or Uniformly varying load on the beam

Description : A sudden jump anywhere on the Bending moment diagram of a beam is caused by (a) Couple acting at that point (b) Couple acting at some other point (c) Concentrated load at the point (d) Uniformly distributed load or Uniformly varying load on the beam

Last Answer : (a) Couple acting at that point

Number of unknown internal forces in each member of a rigid jointed plane frame is (A) 1 (B) 2 (C) 3 (D) 6

Description : Number of unknown internal forces in each member of a rigid jointed plane frame is (A) 1 (B) 2 (C) 3 (D) 6

Last Answer : (C) 3

Independent displacement components at each joint of a rigid-jointed plane frame are (A) Three linear movements (B) Two linear movements and one rotation (C) One linear movement and two rotations (D) Three rotations

Description : Independent displacement components at each joint of a rigid-jointed plane frame are (A) Three linear movements (B) Two linear movements and one rotation (C) One linear movement and two rotations (D) Three rotations

Last Answer : (B) Two linear movements and one rotation

For a floating body to be in equilibrium (A) Meta centre should be above e.g.(B) Centre of buoyancy and e.g. must lie on same vertical plane (C) A righting couple should be formed (D) All of the above

Description : For a floating body to be in equilibrium (A) Meta centre should be above e.g . (B) Centre of buoyancy and e.g. must lie on same vertical plane (C) A righting couple should be formed (D) All of the above

Last Answer : Answer: Option D

When trying to turn a key into a lock, following is applied (A) Coplanar force (B) Non-coplanar forces (C) Couple (D) Moment

Description : When trying to turn a key into a lock, following is applied  (A) Coplanar force  (B) Non-coplanar forces  (C) Couple  (D) Moment

Last Answer : (C) Couple 

The product of either force of couple with the arm of the couple is called (A) Resultant couple (B) Moment of the forces (C) Resulting couple (D) Moment of the couple

Description : The product of either force of couple with the arm of the couple is called  (A) Resultant couple  (B) Moment of the forces  (C) Resulting couple  (D) Moment of the couple 

Last Answer : (D) Moment of the couple 

Pick up the correct statement from the following: (A) Mcg = M M 2 + r2 ) where letters carry their usual meanings (B) Tcp = m 2 + T2 )where letters carry their usual meanings (C) The torque which when acting alone would produce maximum shear stress equal to the maximum shear stress caused by the combined bending and torsion, is called equivalent torque (D) All the above

Description : Pick up the correct statement from the following:  (A) Mcg = M M 2  + r2 ) where letters carry their usual meanings  (B) Tcp = m 2  + T2 )where ... maximum shear stress caused by the combined bending and torsion, is called equivalent  torque  (D) All the above 

Last Answer : (D) All the above 

The writ of Prohibition is issued by a superior court - (1) to prevent an inferior court or tribunal from exceeding its jurisdiction or acting contrary to the rules of natural justice (2) to an inferior court or body exercising judicial or quasijudicial functions to transfer the record to proceedings in a case for its review (3) where it can call upon a person to show under what authority he/she is holding the office (4) to an authority to produce an illegally detained person before the court for trial.

Description : The writ of Prohibition is issued by a superior court - (1) to prevent an inferior court or tribunal from exceeding its jurisdiction or acting contrary to the rules of natural justice (2) to an ... the office (4) to an authority to produce an illegally detained person before the court for trial.

Last Answer : (1) to prevent an inferior court or tribunal from exceeding its jurisdiction or acting contrary to the rules of natural justice Explanation: The writ of Prohibition is an order from a superior ... because the lower court does not have proper jurisdiction to hear or determine the matters before it.

Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is (A) 2 (B) 3 (C) 6 (D) 8

Description : Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is (A) 2 (B) 3 (C) 6 (D) 8

Last Answer : (C) 6

A rigid-jointed plane frame is stable and statically determinate if (A) (m + r) = 2j (B) (m + r) = 3j (C) (3m + r) = 3j (D) (m + 3r) = 3j Where m is number of members, r is reaction components and j is number of joints

Description : A rigid-jointed plane frame is stable and statically determinate if (A) (m + r) = 2j (B) (m + r) = 3j (C) (3m + r) = 3j (D) (m + 3r) = 3j Where m is number of members, r is reaction components and j is number of joints

Last Answer : (C) (3m + r) = 3j

If a number of forces act simultaneously on a particle, it is possible (A) Not a replace them by a single force (B) To replace them by a single force (C) To replace them by a single force through C.G. (D) To replace them by a couple

Description : If a number of forces act simultaneously on a particle, it is possible (A) Not a replace them by a single force (B) To replace them by a single force (C) To replace them by a single force through C.G. (D) To replace them by a couple

Last Answer : (B) To replace them by a single force

Drag force acting on a body does not depend upon the (A) Density of the fluid (B) Density of the body (C) Velocity of the body (D) Projected area of the body

Description : Drag force acting on a body does not depend upon the (A) Density of the fluid (B) Density of the body (C) Velocity of the body (D) Projected area of the body

Last Answer : (B) Density of the body

The earth's gravitational force field is said to be conservative force field because a.The work acted by the earth's gravitational field on a particle is independent on the path traced out by the particle b.The work acted by the erth's gravitational field will cause same path for all particles irrespective of their mass c.The direction of gravitational force is fixed d.The gravitational field has only single directional component always acting normal to a body e.The value of gravitational force rise is fixed

Description : The earth's gravitational force field is said to be conservative force field because a.The work acted by the earth's gravitational field on a particle is independent on the path traced out by ... directional component always acting normal to a body e.The value of gravitational force rise is fixed

Last Answer : a. The work acted by the earth's gravitational field on a particle is independent on the path traced out by the particle

Forces are called coplanar when all of them acting on body lie in (A) One point (B) One plane (C) Different planes (D) Perpendicular planes

Description : Forces are called coplanar when all of them acting on body lie in  (A) One point  (B) One plane  (C) Different planes  (D) Perpendicular planes 

Last Answer : (B) One plane 

two forces acting at a joint are not along the straight line, then for the equilibrium of the joint (A) One of the forces must be zero (B) Each force must be zero (C) Forces must be equal and of the same sign (D) Forces must be equal in magnitude but opposite in sign

Description : two forces acting at a joint are not along the straight line, then for the equilibrium of the joint (A) One of the forces must be zero (B) Each force must be zero (C) Forces must be equal and of the same sign (D) Forces must be equal in magnitude but opposite in sign

Last Answer : (B) Each force must be zero

The amount of reinforcement for main bars in a slab, is based upon (A) Minimum bending moment (B) Maximum bending moment (C) Maximum shear force (D) Minimum shear force

Description : The amount of reinforcement for main bars in a slab, is based upon (A) Minimum bending moment (B) Maximum bending moment (C) Maximum shear force (D) Minimum shear force

Last Answer : Answer: Option B

In prestressed concrete members, the shear force depends upon (a) Distributed load (b) Torsion (c) Concentrated load (d) Variation in net bending moment

Description : In prestressed concrete members, the shear force depends upon (a) Distributed load (b) Torsion (c) Concentrated load (d) Variation in net bending moment

Last Answer : (d) Variation in net bending moment

The amount of reinforcement for main bars in a slab, is based upon (a) Maximum bending moment (b) Minimum bending moment (c) Maximum shear force (d) Minimum shear force

Description : The amount of reinforcement for main bars in a slab, is based upon (a) Maximum bending moment (b) Minimum bending moment (c) Maximum shear force (d) Minimum shear force

Last Answer : (a) Maximum bending moment

The limiting force of fiction is a.The friction force acting on a body when it is in motion b.The value of friction force which stops the movement of the body c.The value of friction force which cannot exceed under a situation d.The friction force acting when the body is just about to move e.Double of the normal friction

Description : The limiting force of fiction is a.The friction force acting on a body when it is in motion b.The value of friction force which stops the movement of the body c.The value of friction force which ... d.The friction force acting when the body is just about to move e.Double of the normal friction

Last Answer : d. The friction force acting when the body is just about to move

Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an ‘all or none’ action on a receptor C. Receptor and drugs acting on it have rigid complementary ‘lock and key’ structural features D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Description : Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an all or none' action on a ... lock and key' structural features D. Properties of affinity' and intrinsic activity' are independently variable

Last Answer : D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an ‘all or none’ action on a receptor C. Receptor and drugs acting on it have rigid complementary ‘lock and key’ structural features D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Description : Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an all or none' action on a ... lock and key' structural features D. Properties of affinity' and intrinsic activity' are independently variable

Last Answer : D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is (A) M (B) M/2 (C) M/3 (D) ML/2

Description : A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of  moment M at its centre. The maximum bending moment in the beam is  (A) M (B) M/2  (C) M/3  (D) ML/2 

Last Answer : (A) M

A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Description : A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Last Answer : a) PSinθ(Sinθ+Cosθ)/hl

A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Description : A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Last Answer : a) PSinθ(Sinθ+Cosθ)/hl

The torque produced by a DC motor armature is the product of the force acting at the armature surface multiplied by _____________. A. work done by the armature in one revolution B. effective armature diameter at which the force acts C. maximum moment arm at the center of rotation of the armature D. perpendicular distance to its center of rotation

Description : The torque produced by a DC motor armature is the product of the force acting at the armature surface multiplied by _____________. A. work done by the armature in one revolution B. effective ... arm at the center of rotation of the armature D. perpendicular distance to its center of rotation

Last Answer : Answer: D

The product of the tangential force acting on the shaft and radius of shaft known as (a) Torsional rigidity (b) Flexural rigidity (c) Bending moment (d) Twisting moment

Description : The product of the tangential force acting on the shaft and radius of shaft known as (a) Torsional rigidity (b) Flexural rigidity (c) Bending moment (d) Twisting moment

Last Answer : (d) Twisting moment

Assertion Path of a charged particle in uniform magnetic field cannot be a parabola, if no other forces (other than magnetic force) are acting on the

Description : Assertion Path of a charged particle in uniform magnetic field cannot be a parabola, if no other forces (other than magnetic force) are acting on the

Last Answer : Assertion Path of a charged particle in uniform magnetic field cannot be a parabola, if no other ... . If Assertion is false but Reason is true.

A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is: w) zero x) parallel to the direction of the satellite's instantaneous velocity y) perpendicular to the direction of the satellite's instantaneous velocity z) none of the above

Description : A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is: w) zero x) parallel to the direction of the satellite ... velocity y) perpendicular to the direction of the satellite's instantaneous velocity z) none of the above

Last Answer : ANSWER: Y -- PERPENDICULAR TO THE INSTANTANEOUS DIRECTION OF THE SATTELITE’S VELOCITY

Steering of a car involves: A. A pair of forces acting along the same line and in opposite direction B. Two forces acting in the same direction C. Two forces acting along different lines and in opposite direction D. A single force

Description : Steering of a car involves: A. A pair of forces acting along the same line and in opposite direction B. Two forces acting in the same direction C. Two forces acting along different lines and in opposite direction D. A single force

Last Answer : ANSWER: A

Steering of a car involves? A. A single force B. Two forces acting in the same direction C. Two forces acting along different lines and in opposite direction. D. A pair of forces acting along the same line and in opposite direction (Answer)

Description : Steering of a car involves? A. A single force B. Two forces acting in the same direction C. Two forces acting along different lines and in opposite direction. D. A pair of forces acting along the same line and in opposite direction (Answer)

Last Answer : D. A pair of forces acting along the same line and in opposite direction (Answer)

A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised (A) Steel experiences tensile force (B) Brass experiences compressive force (C) Composite beam gets subjected to a couple (D) All the above

Description : A composite beam is composed of two equal strips one of brass and other of steel. If the  temperature is raised  (A) Steel experiences tensile force  (B) Brass experiences compressive force  (C) Composite beam gets subjected to a couple  (D) All the above

Last Answer : (D) All the above

According to principle of transmissibility of forces, the effect of a force upon a body is (A) Maximum when it acts at the center of gravity of a body (B) Different at different points in its line of action (C) The same at every point in its line of action (D) Minimum when it acts at the C.G. of the body

Description : According to principle of transmissibility of forces, the effect of a force upon a body is (A) Maximum when it acts at the center of gravity of a body (B) Different at different points in its line of action ... at every point in its line of action (D) Minimum when it acts at the C.G. of the body

Last Answer : (C) The same at every point in its line of action

According to principle of moments (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero (B) If a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero (C) The algebraic sum of the moments of any two forces about any point is equal to moment of their resultant about the same point (D) Positive and negative couples can be balanced

Description : According to principle of moments  (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero  (B) If a system of coplanar forces is in equilibrium, then the ... of  their resultant about the same point  (D) Positive and negative couples can be balanced

Last Answer : (C) The algebraic sum of the moments of any two forces about any point is equal to moment of  their resultant about the same point 

Coefficient of friction is the (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction force acting when the body is just about to move (D) The friction force acting when the body is in motion

Description : Coefficient of friction is the  (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction  (B) Ratio of limiting friction and normal reaction  (C) The ... body is just about to move  (D) The friction force acting when the body is in motion 

Last Answer : (B) Ratio of limiting friction and normal reaction

Kinetic friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction force acting when the body is just about to move (D) The friction force acting when the body is in motion

Description : Kinetic friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction force ... body is just about to move (D) The friction force acting when the body is in motion

Last Answer : (D) The friction force acting when the body is in motion

Limiting force of friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction (B) Ratio of limiting friction and normal reaction(C) The friction force acting when the body is just about to move (D) The friction force acting when the body is in motion

Description : Limiting force of friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction ... body is just about to move (D) The friction force acting when the body is in motion

Last Answer : (C) The friction force acting when the body is just about to move