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Can kinetic energy of a system be increa...

Can kinetic energy of a system be increased without applying any external force on the system?

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HC VERMA-WORK AND ENERGY-Question for Short Answer
  1. When you lift a box from the floor and put it one an almirah the ptote...

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  2. A particle is released from the top of an incline of height h. Does th...

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  3. The kinetic friction

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  4. Can static friction do nonzero work on an object? If yes give an examp...

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  5. Can normal force do a nonzero work on an object. If yes, give an examp...

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  6. Can kinetic energy of a system be increased without applying any exter...

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  7. Is work energy theorem valid in noninertial frames?

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  8. A heavy box is kept on a smooth inclined plane and is pushed up by a f...

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  9. One person says that the potentil energy of a particular book kept in ...

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  10. One person says that the potential energy of a particular book kept in...

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  11. In one of the exercises to strengthen the wrist and fingers, a person ...

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  12. In a tug of war the team that pushes harder against the ground wins ...

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  13. When an apple falls from a tree what happens to its gravitational pote...

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  14. When you push your bicycle up on an incline the potential energy of th...

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  15. A charged particle is moved along a magnetic field line. The magnetic ...

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  16. A ball is given a speed v on a rough horizontal surface. The ball trav...

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  17. Consider the situation of the previous question from a frame moving wi...

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