IIMOO11 IIMOO11

02-03-2020
Physics

contestada

A box is lifted at a constant speed of 7.0 m/s by a machine. If the power of the machine is 21000 W, then the force applied is equal.

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Danboghiu66 Danboghiu66

02-03-2020

Power=force × speed

21000[W]=F[N]×7[m/s]

F=3000N

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