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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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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.

User PGOnTheGo
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1 Answer

2 votes

The force applied would be 2083.3N

Step-by-step 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 = (2500)/(1.2) \\\\F = 2083.3N

Therefore, the force applied would be 2083.3N

User Jeffasante
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4.5k points
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