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If it took a bulldozer 567.6 joules of w...

If it took a bulldozer 567.6 joules of work to push a mound of dirt 30.5 meters, how much force did the bulldozer have to apply ?

A

9.3 N

B

10.6 N

C

18.6 N

D

37.2 N

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BEIITIANS-ENERGY AND WORK -CONCEPTIVE WORKSHEET
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  4. On what factors does the kinetic energy of a body depend ?

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  9. If the velocity an object increases 4 times, its kinetic energy increa...

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  11. A man lifts a brick of mass 5 kg from the floor to a shelf 2 m high. H...

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  12. A ball of mass 1 kg is thrown up. It reaches a maximum height of 5m. W...

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  13. A load of 100 kg is pulled upwards by 5 m. Calculate the work done. ...

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  14. If acceleration due to gravity is 10 m//s^(2), what will be the potent...

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  15. Heat is a form of

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  16. When we strike a match, theenergy on the match head changes intoenergy...

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  17. In electric cells or electric batteries, energy changes intoenergy.

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  18. When two stones are struck against each other sharply, mechanical ener...

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  19. When hands are rubbed, energy is changes into energy.

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  20. During which of the following, light energy is converted to chemical e...

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