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Today, 11:17

8. A force of 80 pounds on a rope is used to pull a box up a ramp inclined at 100 from the horizontal. The rope forms an angle of 330 with the horizontal. How much work is done pulling the box 25 feet along the ramp?

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  1. Today, 12:25
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    Here Ramp 10°, rope 33°, with reference on ramp, 33-10 = 23° Force on ramp = 80 cos 23 = 73.64 pounds W = 73.64*25 = 1841 p-f
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