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Question
A cart with mass 20 kg went 50 m in a straight line on a plain and smooth road when a force of 2 N was applied to it. How much work was done by the force?
Numerical
Solution
Force (F) = 2 N
displacement (s) = 50 m
work done (W) =?
∴ Work done by the force = F × S
= 2 × 50
= 100 J
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Measurement of Work
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