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Question

A block of mass 10 kg is pulled by a constant horizontal force of 19 N and it is displaced by 15 m across the floor. Calculate the work done.

A

1.3 J

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B

30 J

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C

285 J

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D

5586 J

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E

1J

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Solution

The correct option is D 285 J
Given : Force $F = 19 N$
Displacement $S = 15$ m
Work done by a force is $W = F S$
$∴$ $W = 19 \times 15 = 285$ $J$

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