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Plss answer the que. |
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Answer» given :m = 40 kgd = 12 mt = 40 srate of work DONE = ?we know that work done = F d cos ∅ --------------------------------- (1)where ∅ = angle between F and dwork done = F d since ∅ = 0° ( force and displacement are in same direction)work done = m G d since F = mg = 40 × 9.8 × 12 = 4704 J = 4.704 K Jrate of doing work = work done / TIME TAKEN = 4.704 K J / 40 s = 0.1176 k W = 117.6 Wattshope it helps ! |
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