From the 2 m mark to the 52 m mark?
Find the work necessary to run a football 1 lb?
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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