How much force is used if ms Johnston can bench press 123 kg in 3 seconds, using 2500 j of work? The total distance from the barbell to ms J

Question

How much force is used if ms Johnston can bench press 123 kg in 3 seconds, using 2500 j of work? The total distance from the barbell to ms Johnston to the original starting position is 1.2m.

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Thiên Thanh 6 months 2021-08-15T15:53:45+00:00 1 Answers 7 views 0

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    2021-08-15T15:54:56+00:00

    The force applied would be 2083.3N

    Explanation:

    Given:

    Mass, m = 123kg

    Time, t = 3 seconds

    Work, W = 2500J

    Distance, x = 1.2m

    Force, F = ?

    We know:

    Work = Force X distance

    2500 = F X 1.2m\\\\F = \frac{2500}{1.2} \\\\F = 2083.3N

    Therefore, the force applied would be 2083.3N

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