Question

To calculate the power input and output of a machine having efficiency 50%, driven by mass 100kg falling from a height 10m in 5 seconds lifts a load of 400kg vertically upwards, steps are given below. Choose the option which has a correct sequence of steps to find power input and output​

Answer 1

Answer:

Power input

=> force×velocity

=> 100×9.8×12.52

=> 12270 W

Power output

=> 0.50×12270

=> 9202.5 W

Explanation:

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