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Work done in raising a box depends on...

Work done in raising a box depends on

A

How fast it is raised

B

The strength of the man

C

The height by which it is raised

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Work in raising a box
= (weight of the box) `xx` (height by which it is raised)
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  3. A light and a heavy body have equal momenta. Which one has greater K.E

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  9. From a stationary tank of mass 125000 pound a small shell of mass 25 p...

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  11. A bullet loses 1//20th of its velocity is passing through a plank. Wh...

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  12. A body of mass 2 kg is thrown up vertically with kinetic energy of 490...

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  13. Two masses of 1 gm and 4 gm are moving with equal kinetic energies. T...

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  14. If the K.E. of a body is increased by 300%, its momentum will increase...

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  15. A light body and a heavy body have same kinetic energy. Which one has ...

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  16. If linear momentum if increased by 50% then kinetic energy will be inc...

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  17. A free body of mass 8 kg is travelling at 2 mater per second in a stra...

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  18. If the K.E. of a particle is doubled, then its momentum will

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  19. If the stone is thrown up vertically and return to ground, its potenti...

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