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Find the work necessary to run a football 1 lb?

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2 Answers

The force (weight of the ball) is perpendicular to the displacement (50 m) so the work done is 0 j
1lb = 0.453kg
 
Work = Force x Distance
 
= [ 0.453kg x 9.80m/s^2 ] * 50m 
 
= 221.97 J