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Identify the false statement from the fo...

Identify the false statement from the following.

A

Work - energy theorem is not independent of Newton.s second law.

B

Work - energy theorem holds in all inertial frames.

C

Work done by friction over a closed path is zero.

D

Work done is a scalar quantity.

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The correct Answer is:
C
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AAKASH SERIES-WORK POWER ENERGY-EXERCISE - 1A
  1. A bullet is fired from a rifle. If the rifle recoils freely, then the ...

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  2. A boy carrying a box on his head is walking on a level road from one p...

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  3. Identify the false statement from the following.

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  4. The balades of a windmill sweep out a circle of area A. If the wind fl...

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  5. A particle with total energy E is moving in a potential energy region ...

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  6. A particle is acted upon by a force of constant magnitude which is alw...

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  7. A particle of mass m moving with velocity v collides with a stationary...

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  8. Two spheres A and B collide. If the momentum of A is doubled in the co...

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  9. Internal force can change

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  10. In head on elastic collision of two bodies of equal mass

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  11. Two bodies A and B of masses m(1) and m(2) moving with velocities V(1)...

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  12. Two particles of equal masses have an elastic collision, the target pa...

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  13. A heavier sphere moving eastward with a certain velocity .v. collides ...

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  14. . A bullet hits a block at rest on a frictionless horizontal surface a...

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  15. Coefficient of restitution depends upon

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  16. When a ball hits a floor and rebounds after an inelastic collision,

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  17. If the coefficient of restitution is 0.5, the collision is

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  18. Two particles of different masses collide head on. Then for the system

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  19. A particle moving with certain velocity collides elastically with anot...

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  20. Two bodies of equal masses moving mutually at right angles to each oth...

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