If a number of forces act simultaneously on a particle, it is possible?

If a number of forces act simultaneously on a particle, it is possible?

If a number of forces act simultaneously on a particle, it is possible to replace them by a single force.

Related questions

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

Last Answer : If two equal forces of magnitude P act at an angle 9°, their resultant will be IP cos 9/2.

Description : A number of forces acting at a point will be in equilibrium if?

Last Answer : The sum of the resolved parts in any two perpendicular directions are both zero

Description : The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of

Last Answer : The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of resolution of forces.

Description : The algebraic sum of moments of the forces forming couple about any point in their plane is?

Last Answer : The algebraic sum of moments of the forces forming couple about any point in their plane is equal to the moment of the couple.

Description : Two non-collinear parallel equal forces acting in opposite direction?

Last Answer : Two non-collinear parallel equal forces acting in opposite direction constitute a couple.

Description : According to principle of transmissibility of forces, the effect of a force upon a body is?

Last Answer : According to principle of transmissibility of forces, the effect of a force upon a body is the same at every point in its line of action.

Description : The forces, which meet at one point, but their lines of action do not lie in a plane, are called?

Last Answer : The forces, which meet at one point, but their lines of action do not lie in a plane, are called non-coplanar concurrent forces.

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

Last Answer : The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to the algebraic sum of the resolved parts of the forces in the given direction.

Last Answer : Forces are called coplanar when all of them acting on body lie in one plane.

Description : Forces are called concurrent when their lines of action meet in?

Last Answer : Forces are called concurrent when their lines of action meet in one point.

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

Description : If a rigid body is in equilibrium under the action of three forces, then?

Last Answer : If a rigid body is in equilibrium under the action of three forces, then the lines of action of these forces meet in a point, the lines of action of these forces are parallel.

Description : Three forces A, B and C of magnitudes 8 N, 12 N and 20 N acting on a particle are in equilibrim. It can be concluded that a.107 dynes b.B and C act in opposite directions c.one of the forces in non-coplaner d.A and B act at 90? e.one of the forces is non-concurrent

Last Answer : b. B and C act in opposite directions

Description : __________ forces act on a particle moving through a stationary fluid (A) Gravity (B) Drag (C) Buoyant (D) All (A), (B), & (C)

Last Answer : (D) All (A), (B), & (C)

Description : The possible loading in various members of framed structures are?

Description : The minimum number of forces to keep a particle in equilibrium is – (1) 1 (2) 2 (3) 3 (4) 4

Description : A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation? (A) Inertial and drag forces are important (B) Drag ... forces are important (C) Drag force and gravitational forces are important (D) None of the above

Last Answer : (B) Drag, gravitational and buoyancy forces are important

Description : The minimum number of forces to keep a particle in equilibrium is (1) 1 (2) 2 (3) 3 (4) 4

Description : In the event of an act of unlawful interference, which of the following is the correct procedure to be taken by the pilot in command? a. Squawk 7700 if the situation requires and continue ... the flight plan, climb or descend to altitudes that differ from the normal cruising altitudes by 1000ft

Last Answer : c. Squawk 7500 (or 7700 if required) and broadcast a warning if the situation forces deviation from the cleared flight plan

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.

Description : The inter particle forces between linear chains in nylon-66 are __________ bonds. (A) Hydrogen (B) Covalent (C) Ionic (D) None of these

Description : Which of the following types of polymers has the strongest inter particle forces? (A) Elastomers (B) Fibres (C) Thermoplastics (D) Thermosetting polymers

Last Answer : (D) Thermosetting polymers

Description : Give one example for each of the following types of inter-particle forces (a) London dispersion forces (b)Dipole-Dipole forces (c) Hydrogen bond (d) Ion-dipole forces

Last Answer : Ans. (a) noble gases. (b) between HCl molecules. (c) Between water molecules or HF molecules. (d)Between NO3- and water molecules.

Description : When the work done in moving a particle round a closed loop in a field is zero, the forces in the field are called A. Zero forces B. Non-Conservative forces C. Conservative forces D. Viscous forces

Description : Forces acting on a particle settling in fluid are __________ forces. (A) Gravitational & buoyant (B) Centrifugal & drag (C) Gravitational or centrifugal buoyant drag (D) External, drag & viscous

Last Answer : (C) Gravitational or centrifugal buoyant drag

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

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

Description : There are four fundamental forces in nature. A particle has been associated with each of these four forces. Name any TWO of these particles.

Last Answer : ANSWER: GRAVITON (for gravity), PHOTON (for electromagnetiy), GLUONS for s

Description : Define angle of repose.

Last Answer : Angle of repose is defined as the angle made by the inclined plane with the horizontal plane at which the body placed on an inclined plane is just on the point of moving down the plane, under the action of its own weight.

Description : Define the ideal machine and ideal effort.

Last Answer : Ideal Machine is the machine whose efficiency is 100 % and in which friction is zero.  Ideal Effort is the ratio of load lifted to velocity ratio.

Description : six most common multiples

Last Answer : six most common multiples

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.

Description : Kinetic friction is the?

Last Answer : Kinetic friction is the friction force acting when the body is in motion.

Description : Tangent of angle of friction is equal to?

Last Answer : Tangent of angle of friction is equal to coefficient of friction.

Description : Dynamic friction as compared to static friction is?

Last Answer : Dynamic  friction  is   less  compared  to  static  friction.

Description : Coulomb friction is the friction between?

Last Answer : Coulomb friction is the friction between bodies having relative motion.

Description : Limiting force of friction is the?

Last Answer : Limiting force of friction is the friction force acting when the body is just about to move.

Description : Coefficient of friction is the?

Last Answer : Coefficient of friction is the ratio of limiting friction and normal reaction.

Description : Frictional force encountered after commencement of motion is called?

Last Answer : Frictional force encountered after commencement of motion is called dynamic friction.

Description : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?

Last Answer : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be zero at its upper end.

Description : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?

Last Answer : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be upwards at its upper end.

Description : The ratio of limiting friction and normal reaction is known as?

Last Answer : The ratio of limiting friction and normal reaction is known as coefficient of friction.

Description : The coefficient of friction depends on?

Last Answer : The coefficient of friction depends on nature of surface.

Description : Angle of friction is the?

Last Answer : Angle of friction is the angle between normal reaction and the resultant of normal reaction and the limiting friction.

Description : If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be?

Last Answer : If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be zero.

Description : A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span?

Last Answer : A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span 4.0 cm.

Description : The units of moment of inertia of mass are?

Last Answer : Moment of inertia mass*velocity [Kg M T'-1]

Description : The center of gravity of a triangle lies at the point of?

Last Answer : The center of gravity of a triangle lies at the point of concurrence of the medians.

Description : The center of percussion of the homogeneous rod of length L suspended at the top will be?

Last Answer : The center of percussion of the homogeneous rod of length L suspended at the top will be 2L/3.

Description : Center of gravity of a thin hollow cone lies on the axis at a height of?

Last Answer : Center of gravity of a thin hollow cone lies on the axis at a height of one-third of the total height above base.