Greenrune113 Greenrune113

23-04-2018
Mathematics

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Q7 Q1.) How much work is done pulling the box 20 feet along the ramp?

Q7 Q1 How much work is done pulling the box 20 feet along the ramp class=

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musiclover10045 musiclover10045

23-04-2018

incline of ramp = 10 degrees
rope = 33 degrees

33-10 = 23 degree angle of force

force on the ramp = 80 pounds x cos(23 degrees) = 73.64 pounds of force

work = 73.64 x 20 foot long ramp = 1472.8 = 1473 foot-pounds

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