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A lift is designed to carry a load of 40...

A lift is designed to carry a load of 4000 kg through 10 floors of a building, avarage 6m per floor, in 10s. Calculate the power of the lift.

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Here, `m=4000kg, h=10xx6m,t=10s,`
`P=(W)/t0=(mgh)/(t)=(4000xx9.8xx60)/(10)wat t`
Horse power of lift `=(4000xx9.8xx60)/(10xx746)=315.3`
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