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

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 

by

1 Answer

Answer :

(D) Moment of the couple 

by

Related questions

When two concurrent and coplaner forces P and Q act at an angle of 180?, their resultant will be a a.moment equal to PQ b.couple c.(P-Q) d.107 dynes e.zero

Description : When two concurrent and coplaner forces P and Q act at an angle of 180?, their resultant will be a a.moment equal to PQ b.couple c.(P-Q) d.107 dynes e.zero

Last Answer : c. (P-Q)

The product of either force of couple with the arm of the couple is called?

Description : The product of either force of couple with the arm of the couple is called?

Last Answer : The product of either force of couple with the arm of the couple is called moment of the couple.

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 

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

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The resultant of the following three couples 20 kg force, 0.5 m arm, +ve sense 30 kg force, 1 m arm, -ve sense 40 kg force, 0.25 m arm, +ve sense having arm of 0.5 m will be (A) 20 kg, -ve sense (B) 20 kg, +ve sense (C) 10 kg, +ve sense (D) 10 kg, -ve sense

Description : The resultant of the following three couples 20 kg force, 0.5 m arm, +ve sense 30 kg force, 1 m  arm, -ve sense 40 kg force, 0.25 m arm, +ve sense having arm of 0.5 m will be  (A) 20 kg, -ve sense  (B) 20 kg, +ve sense  (C) 10 kg, +ve sense  (D) 10 kg, -ve sense 

Last Answer : (A) 20 kg, -ve sense

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

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

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

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In pre-stressed concrete (A) Forces of tension and compression change but lever arm remains unchanged (B) Forces of tension and compressions remain unchanged but lever arm changes with the moment (C) Both forces of tension and compression as well as lever arm change (D) Both forces of tension and compression as well as lever arm remain unchanged

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The center of pressure of a surface subjected to fluid pressure is the point (A) On the surface at which resultant pressure acts (B) On the surface at which gravitational force acts (C) At which all hydraulic forces meet (D) Similar to metacentre

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Last Answer : Answer: Option A

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

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

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

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Last Answer : (B) 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

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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

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A bending moment may be defined as: (A) Arithmetic sum of the moments of all the forces on either side of the section (B) Arithmetic sum of the forces on either side of the section (C) Algebraic sum of the moments of all the forces on either side of the section (D) None of these

Description : A bending moment may be defined as: (A) Arithmetic sum of the moments of all the forces on either side of the section (B) Arithmetic sum of the forces on either side of the section (C) Algebraic sum of the moments of all the forces on either side of the section (D) None of these

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In a beam the local bond stress Sb, is equal to (A) Shear force/(Leaver arm × Total perimeter of reinforcement) (B) Total perimeter of reinforcement/(Leaver arm × Shear force) (C) Leaver arm/(Shear force × Total perimeter of reinforcement) (D) Leaver arm/(Bending moment × Total perimeter of reinforcement)

Description : In a beam the local bond stress Sb, is equal to (A) Shear force/(Leaver arm Total perimeter of reinforcement) (B) Total perimeter of reinforcement/(Leaver arm Shear force) (C) ... force Total perimeter of reinforcement) (D) Leaver arm/(Bending moment Total perimeter of reinforcement)

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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

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Two forces of 6 and 8 kg act at right angles to each other, the resultant force will be a.100 b.28 c.41 d.14 e.10

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Last Answer : e. 10

Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.

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Combined effect of several forces is known as A. net force B. resultant force C. normal force D. weight

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Center of percussion is (A) The point of C.G. (B) The point of metacentre (C) The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis (D) Point of suspension

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Last Answer : (C) The point of application of the resultant of all the forces tending to cause a body to rotate  about a certain axis 

Pair of forces that cause steering wheel of a car to rotate is called A. couple B. friction C. normal force D. weight

Description :  Pair of forces that cause steering wheel of a car to rotate is called A. couple B. friction C. normal force D. weight

Last Answer : couple

If two tensile forces mutually perpendicular act on a rectangular parallelepiped bar are equal, the resulting elongation of the pipe, is (A) (P/E) (1 - m) (B) (E/P) (m -1) (C) (E/P) (1 - m) (D) (P/E) (1 + m)

Description : If two tensile forces mutually perpendicular act on a rectangular parallelepiped bar are equal, the resulting elongation of the pipe, is (A) (P/E) (1 - m) (B) (E/P) (m -1) (C) (E/P) (1 - m) (D) (P/E) (1 + m)

Last Answer : (A) (P/E) (1 - m)

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

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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

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

______ is the perpendicular distance between point of application of force and axis of rotation. (1) Moment arm (2) Moment of Inertia (3) Altitude (4) Base

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For finding out the bending moment for the arm (spoke) of flywheel the arm is assumed as 1. a cantilever beam fixed at the rim and subjected to tangential force at the hub 2. a simply supported beam fixed at hub and rim and carrying uniformly distributed load 3. a cantilever hub fixed at the rim and subjected to tangential force at the rim 4. a fixed beam fixed at hub and rim and carrying uniformly distributed load

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Last Answer : (C) A cantilever beam fixed at the hub and subjected to tangential force at the rim

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

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Last Answer : (A) M

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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 

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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

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Last Answer : (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction

If S, L and R are the arc length, long chord and radius of the sliding circle then the perpendicular distance of the line of the resultant cohesive force, is given by (A) a = S.R/L (B) a = L.S/R (C) a = L.R/S (D) None of these

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Buoyant force is (A) The resultant force acting on a floating body (B) The resultant force on a body due to the fluid surrounding it (C) Equal to the volume of liquid displaced (D) The force necessary to maintain equilibrium of a submerged body

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Last Answer : Answer: Option B

The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing side of the polygon taken in opposite order ---- is known as a.Law of triangle of forces b.Newton's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem

Description : The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing ... 's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem

Last Answer : c. Law of polygon of forces

When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be a.inclined at more than 90? b.inclined at less than 90? c.equal in magnitude d.acting at 180? e.107 dynes

Description : When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be a.inclined at more than 90? b.inclined at less than 90? c.equal in magnitude d.acting at 180? e.107 dynes

Last Answer : c. equal in magnitude

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

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In case forces of 1 N, 2 N, 3 N, 4 N, 5 N and 6 N act in order along the sides of a regular hexagon, the resultant will be a.21 N b.107 dynes c.2 N d.6 N e.

Description : In case forces of 1 N, 2 N, 3 N, 4 N, 5 N and 6 N act in order along the sides of a regular hexagon, the resultant will be a.21 N b.107 dynes c.2 N d.6 N e.

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The centre of percussions is a.The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis b.The point of application of the resultant of gravity and buoyancy forces of the body c.The same as centre of gravity d.The metacentre of the body e.The point in a body about which it can rotate horizontally and oscillates under the influence of gravity

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The resultant of coplaner parallel forces is found by load line diagram, while the position is found by a.link polygen b.funicular polygon c.string polygon d.any of the above e.107 dynes

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The resultant of two forces of 3 N and 4 N is 5 N, the angle between the forces is

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The resultant of two forces 10 N and 15 N acting along + x and – x-axes respectively, is

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The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to?

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If two equal forces of magnitude P act at an angle 9°, their resultant will be?

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Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to (A) Reynold stresses (B) Shear forces (C) Both (A) & (B) (D) Neither (A) nor (B)

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