A horse is lifting a 490 lb crate by moving to the right at a constant speed v0

Question

A horse is lifting a 490 lb crate by moving to the right at a constant speed v0 = 2.7 ft/s.

Observing that B is fixed and letting h = 6.3 ft and C = 13.5 ft, determine the tension in

the rope (in pounds) when the horizontal distance d between B and point A on the horse is 9.9 ft.

A horse is lifting a 490 lb crate by moving to the right at a constant speed v0 = 2.7 ft/s. Observing that B is fixed and letting h = 6.3 ft and C = 13.5 ft, determine the tension in the rope (in pounds) when the horizontal distance d between B and point A on the horse is 9.9 ft.

Explanation / Answer

1 lb = 0.454 kg

490 lb = 222.46 kg

T = m*g/2 = 222.46*9.8/2 = 1090 N

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