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A crane pulls up a car weighing $500\ kg$ to a vertical height of $4\ m$. Calculate the work done by the crane.
Here given: Mass of the car $m=500\ kg$
Vertical Height $h=4\ m$
Therefore, work done $W=mgh$
$=500\times9.8\times4$
$=19,600\ Joule$
Thus, the work done by the crane is $19,600\ Joule$.
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