A crane slowly lifts a 140-kg crate a vertical distance of 12.0 m. 1) How much work does the crane do on the crate? (Express your answer to two significant figures.) kJ Submit
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A: Given data :- Force F = 25 N Displacement d = 48 cm = 0.48 m Work done W = 11 J
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A: mass = 20 kg θ = 50oh = 10 m μk = 0.35
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A: A) P = F*V = mue_k*m*g*V = 0.55*67*9.8*0.50 = 180.5 Watts
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