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The potential energy of a system increas...

The potential energy of a system increases if work is done

A

by the system against a conservative force

B

by the system against a non-conservative force

C

upon the system by a non-conservative force

D

upon the system by a non-conservative force

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The correct Answer is:
A
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CHHAYA PUBLICATION-WORK AND ENERGY-EXERCISE (Multiple Choice Questions)
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  4. A quater horse power motor runs at a speed of 600 rpm. Assuming 40% ef...

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  6. A particle is moving in a straight line such that its retardation is ...

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  7. Starting from rest a car moves on a plane. The coefficient of friction...

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  8. A particle falls from rest under the action of gravity . Variation of ...

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  9. A long spring is stretched by 2 cm. its potential energy is U . If th...

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  10. In which of the following cases the potential energy is defined

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  11. A body of mass m thrown vertically upwards attains a maximum height h....

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  12. For a moving particle (mass m, velocity v) having a momentum p, which...

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  13. The potential energy of a system increases if work is done

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  14. Two bodies of masses 4 kg and 5kg are moving with equal momentum. The...

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  15. A particle of mass m at rest in acted upon by a force P for a time t. ...

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  16. If the linear momentum of a body is increased by 50% , then the kineti...

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  17. one end of a thead of length h has a stone tied to it . Taking the ot...

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  18. Along the surface of a hemispherical container, a small ball is pushed...

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  19. A bucket full of water is rotated in a vertical circle of radius r. i...

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  20. A ball with a momentum p falls on a floor vertically and bounces a num...

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