Q.

If the displacement of 20 kg block is 1 m then find the work done by 10 N for 1 m displacement horizontally.

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a

5 J

b

−5 J

c

10 J

d

−10J

answer is B.

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Detailed Solution

W=−10sin⁡30∘×1W=−5 Joule
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If the displacement of 20 kg block is 1 m then find the work done by 10 N for 1 m displacement horizontally.