How much work is required to lift a 4.7-kg backpack 1.4 m to put it on? answer for:___J

asked Sep 20, 2023 192k views

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m = mass = 4.7 kg

d = distance = 1.4 m

W= work = Force x distance

F= force = mass x gravity = 4.7 kg x 9.8 m/s^2 = 46.06 kgm/s^2(N)

W = 46.06 x 1.4 m = 64.48 J

Jess Yuan answered Sep 26, 2023

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