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Find the work necessary to run a football 1 lb?

From the 2 m mark to the 52 m mark?

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Jim S. | Physics (and math) are fun, reallyPhysics (and math) are fun, really
4.7 4.7 (143 lesson ratings) (143)
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The force (weight of the ball) is perpendicular to the displacement (50 m) so the work done is 0 j
Alex V. | College doesn't make you smart. College teaches you to be resourceful.College doesn't make you smart. College ...
4.8 4.8 (73 lesson ratings) (73)
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1lb = 0.453kg
 
Work = Force x Distance
 
= [ 0.453kg x 9.80m/s^2 ] * 50m 
 
= 221.97 J