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Jayne lifts the barbell 120 cm upwards. She has a mass of 60kg. How much work does she do?

Jayne lifts the barbell 120 cm upwards. She has a mass of 60kg. How much work does she do?
asked 67.6k views
5 votes
Jayne lifts the barbell 120 cm upwards. She has a mass of 60kg. How much work does she do?

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User Mariopce
by
7.8k points

1 Answer

5 votes
Work = Force x displacement
Force = mass x gravitational acceleration
Force = 60 x 9.81 = 588.6N
Work = 588.6 x 0.12m =70.632 J
answered
User Arash Rohani
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8.2k points
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