A crane is lifting a body to a height 'h' in time 't'. Find the relation between the power of crane to the speed at which it is lifting the object.
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power = work / time
= force * displacement / time
= mgh / t = mas / t = force = speed
where m stands for the mass , g stands for acceleration due to gravity , h stands for height and t stands for time taken.
= force * displacement / time
= mgh / t = mas / t = force = speed
where m stands for the mass , g stands for acceleration due to gravity , h stands for height and t stands for time taken.
neerjabinu:
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1
Power = Force × Displacement
sorry incomplete answer posted
power = f×s / t
ignore ans
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