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Angular Analogue of Linear Momentum

If the net fo...

Question

If the net force acting on the system of particles is zero, then which of the following may vary

A

velocity of centre of mass

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B

moment of inertia

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C

position of centre of mass

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D

Kinetic energy of the system

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Solution

The correct option is C
position of centre of mass

If the net force acting on the system of particles is zero, the position of centre of mass may vary.

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Q. If the net external force acting on the system of particles is zero, then which of the following may vary?

Q. Assertion :If the velocity of centre of mass of a system is zero then the kinetic energy of the system may be greater than zero. and Reason: Kinetic energy of the system is given by

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Q. If net force acting on system of particles is zero, choose an incorrect option regarding the motion of the centre of mass of the system.

Q. Assertion :If no external force acts on a system of particles, then the centre of mass will not move in any direction. Reason: If net external force is zero, then the linear momentum of the system changes.

Q. Statement 1: If no external force acts on a system of particles, then the centre of mass will not move in any direction
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