A weightlifter lifts a weight of 500N from the ground over her head, a distance of 1.8m. How much work has been done to move the weight?

3 answers

Work done
= increase in potential energy
= mgh.
Take out your calculator and find the work done
mg=500 N (newton is in force units)
h=1.8m
Resulting work done is in joules.

1213

900 J

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