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.

Question

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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Kim Cúc 1 year 2021-09-05T15:39:52+00:00 1 Answers 1 views 0

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  1. kimchi2
    0
    2021-09-05T15:41:42+00:00
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    Power=force × speed

    21000[W]=F[N]×7[m/s]

    F=3000N

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