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Choose the CORRECT statement....

Choose the CORRECT statement.

A

Increase in the kinetic energy of the body is equal to the work done by the body against the opposite force.

B

Decrease in the kinetic energy of the body is equal to the work done by the body against the opposing force.

C

Increase in potential energy of the body is equal to the work done by the body against the external force in the opposite direction.

D

Decrease in potential energy of the body is equal to the work done by the body against the opposing force in the same direction.

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TARGET PUBLICATION-LAWS OF MOTION-EXERCISE
  1. Under the action of variable force, at any instant the displacement is

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  2. A cyclist comes to skidding spot in 10 m. If the opposing force on the...

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  3. Choose the CORRECT statement.

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  4. If the kinetic energy decreases the work done is .

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  5. Choose the CORRECT statement.

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  6. Which one of the following WRONG?

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  7. According to work-energy theorem, the work done by the net force on a ...

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  8. A ladder 2.5 m long and of weight 150 N has its centre of gravity 1 m ...

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  9. Choose the correct options Choose the WRONG statement.

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  10. The working of rocket is based on the principle of .

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  11. A light and a heavy body have equal K.E. Which body possesses greater ...

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  12. A bullet leaves the rifle of mass one kg and rifle recoils thereby wit...

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  13. A bullet of mass 10 g is fired with a velocity of 100 m/s from a rifle...

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  14. A 30 kg shell is flying at 48 m/s. When it explodes, its one part of 1...

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  15. A bullet of mass 10 g moving with 300 m/s hits a block of ice of mass ...

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  16. Two billiard balls A and B each of mass 0.05 kg moving in opposite dir...

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  17. A shell in its flight, explodes into four unequal parts. Which of the ...

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  18. When two bodies stick together after collision, the collision is said ...

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  19. Which of the following is NOT an example of inelastic collision?

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  20. For perfectly elastic collision

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