a boy lift 20 kg mass to a height of 1m in 2s them workdone will be
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Mass= 20kg
Height= 1m
g= 10 m/s²
We know that
Work done= m×g×h
= 20×1×10= 200J
Therefore, work done here does not depend on time taken.
Height= 1m
g= 10 m/s²
We know that
Work done= m×g×h
= 20×1×10= 200J
Therefore, work done here does not depend on time taken.
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