A load of $100\ kg$ is pulled up by $5\ m$. Calculate the work done. $(g = 9.8\ m/s^2)$


Here, mass $m=100\ kg$

Height $h=5\ m$

Gravitational acceleration $a=9.8\ m/s^2$

Therefore, work done to pull the load $W=mgh$

$=100\ kg\times9.8\ m/s^2\times5\ m$

$=4900\ J$

Thus, work done to pull the load is $4900\ J$.

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Updated on: 10-Oct-2022

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