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A person of mass 50 kg climbs a tower of...

A person of mass 50 kg climbs a tower of height 72 metre. The work done is
`[g = 9.8 m//s^(2)]`

A

35280 J

B

32580 J

C

52380 J

D

58320 J

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(a) Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula. (b) A person of mass 50 kg climbs a tower of height 72 metres. Calculate the work done. ( g = 9.8 m s^(-2) )

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BEIITIANS-ENERGY AND WORK -IIT JEE WORKSHEET
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  11. During burning, chemical energy is changed to energy.

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  13. In explosive devices, such as fire crackers, bombs, etc., the chemical...

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  14. Which of the following is not a form of energy ?

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  15. When the nucleus of a heavy atom is smashed, it releases

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  16. Heat energy is converted to mechanical energy in

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  17. The electric energy changes into mechanical energy in

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  18. Mathematically, work is defined as the product of froce and displaceme...

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  19. Mathematically, work is defined as the product of froce and displaceme...

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  20. Mathematically, work is defined as the product of froce and displaceme...

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  21. According to law of conservation of energy. "Energy can neither be cre...

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