muhamm3disa muhamm3disa

11-05-2020
Physics

contestada

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

Respuesta :

misssy21 misssy21

11-05-2020

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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