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Internal forces can change...

Internal forces can change

A

can change the kinetic energy of a system

B

cannot change the kinetic energy of a system

C

cannot change the momentum of a system

D

can change the momentum of a system

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The correct Answer is:
A, C
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Internal forces acting in a system of particle can change

Internal forces acting in a system of particle can change

FIITJEE-COLLISION -ASSIGNMENT PROBLEMS (OBJECTIVE) Level - II
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  4. A ball of mass 1kg strikes a wedge of mass 4kg horzontally with a velo...

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  5. A ball A collides elasticlly with an another identical bass B with vel...

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  6. A projectile is fixed on a horizontal ground. Coefficient of restituti...

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  7. A heavy mass M resting on the ground is connected to a lighter mass m ...

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  11. A chain of length l lies in a pile on the floor and its mass per unit ...

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  12. A particle of mass m moving at a velocity v strikes with the wall at a...

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  13. A ball hits the floor and rebounds after an inelastic collision. In th...

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  14. A body of mass 2 kg moving with a velocity 3 m//s collides with a body...

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  15. In which of the following cases the centre of mass of a rod is certain...

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  16. If a trolley filled with sand is sliding downwards on a smooth incline...

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  18. Which of the following is/are true about the impulse ?

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