A boy pushes a book kept on a table by applying a force of 4.5 N. Find the work done by the force if the book is displaced through 30 cm along the direction of push.
Text Solution
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Force applied on the book (F) = 4.5 N Displacement (s) = 30 cm = (30/100) m = 0.3 m Work done, W = Fs = 4.5 `times` 0.3 = 1.35 J
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