A gardener pushes a lawn roller through a distance of 20m. If he applies a force of 20kg weight in a direction inclined at 60° to the ground, find the work done by him. (g=9.8m/s2)
(a) 400J (b) 1960J (c) 250J (d)
please give me the correct answer not the wrong
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400J is the correct answer
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