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Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 4 - Work And Energy

Question 19 Exercise

A load of 100 kg is pulled up by 5 m. Calculate the work done.

Answer:

Mass = 100 kg

Height = 5 m

g = 9.8 m/s^2

PE = mgh = 4900J

Work done = potential energy

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