# According to principle of moments?

According to principle of moments?

According to principle of moments if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero.

According  to  principle  of  moments  clockwise  moments  equals   anticlockwise  moments.

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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 coplanar couples having equal and opposite moments

Last Answer : Two coplanar couples having equal and opposite moments can not balance each other.

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Description : State the working principle of transformer.

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Description : The transformer works on the principle of: (A) Mutual induction (B) Mutual capacitance (C) All of the above (D) None of the above

Last Answer : The transformer works on the principle of:  Mutual induction

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Last Answer :  The  principle is  based on Seebeck   effect.

Last Answer : A hysteresis motor works on the principle of hysteresis loss.

Description : What is the principle of DC generator?

Description : What is the principle of DC motor?

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 location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which "sum of the moment of the resultant force about an ... liquid) (A) 1/(y/3) (B) 2y/3 (C) 1/(y/4) (D) 3y/4

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

Last Answer : According to Lami's theorem 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 : An Athlets runs before long jump to get advantage on – (1) Inertia of motion (2) Frictional force (3) Moment of a force (4) Principle of moments

Last Answer : (1) Inertia of motion Explanation: An athlete does so to build up forward momentum so that when he jumps he already has a forward motion that would be greater than that of a jump made from standing in ... in terms of inertia of motion which is the tendency of an object to resist a change in motion.

Description : If the principle of moments for any object holds, then object is in state of A. inertia B. equilibrium C. suspension D. motion

Description : An athlete runs before long jump to get advantage on (1) Inertia of motion (2) Frictional force (3) Moment of a force (4) Principle of moments

Last Answer : Inertia of motion

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.