A crane lifts a load of weight 4500N through a height of 15m in 10seconds what is the power of the crane in (I) watt(ii) killowatt (iii) horse power
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Explanation:
i) power = fv = 4500 Nx1.5m/s = 6.750 kw
ii) power = fv = 4500 Nx1.5m/s = 6 750 / 746 = 9.05 hp
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