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Question

A frontend loader did 1250 joules of work to lift a rock by applying 150 N force. How far was the rock lifted?


A

9.3 m

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B

10.3 m

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C

8.3 m

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D

5.3 m

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Solution

The correct option is C

8.3 m


Work done = force × displacement

Here, Work done=1250 J and force applied = 150 N.

1250 = 150 × displacement

Displacement=1250150=8.33 m

Thus, the rock was lifted through a distance of 8.33 metres.


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