Question: a horse pulls a cart on a level road for 3 hours covering 1 2 miles. The harness makes a 3 0 degree angle with

a horse pulls a cart on a level road for 3 hours covering 12 miles. The harness makes a 30 degree angle with the horizontal line parallel to the surface of the road. The average force applied to the cart by the horse is 60 lbf a. how much work is done in ft-lbf b. what is the average horsepower required

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