Question

A weight lifter lifts a 320-N set of weights from ground level to a position over his head, a vertical distance of 1.80 m. How much work does the weight lifter do, assuming he moves the weights at constant speed? _____ J

Answer 1

In order to find the work done by the person we are going to use the next formula

$\begin{gathered} W=F\cdot d \\ W=320N\cdot1.8m \\ W=576J \end{gathered}$