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Calculate the work done by a machine by a porter holding a suitcase weighing 5 kg in his hand.Ans: W = 0 J |
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Answer» Answer: Holding alone is No work W = component of orce APPLIED in the Direction of Movement x distance TRAVELLED.. W = F S Cos theta. theta is ANGLE between force and distance. = 5N X 0 = 0 Joule |
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