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

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

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Mộc Miên 6 months 2021-07-15T20:28:29+00:00 1 Answers 7 views 0

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    2021-07-15T20:30:13+00:00

    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

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