Science, asked by maryashime, 4 months ago

A crane lifts a 1000N load through a distance of 30m in 40seconds.Calculate a)the work done by the crane, b)the power of the crane in watts ,c)the crane used up 450000J of energy,what is the efficiency of the crane,d)What type of simple machine does crane belong to??

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Answered by aummandhare

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A crane lifts a 1000N load through a distance of 30m in 40seconds.Calculate a)the work done by the crane, b)the power of the crane in watts ,c)the crane used up 450000J of energy,what is the efficiency of the crane,d)What type of simple machine does crane belong to??​

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A crane lifts a 1000N load through a distance of 30m in 40seconds.Calculate a)the work done by the crane, b)the power of the crane in watts ,c)the crane used up 450000J of energy,what is the efficiency of the crane,d)What type of simple machine does crane belong to??