Asked by keke
a worker is pushing an 80lb chest up a ramp to land truck. how much force must he use in order to keep the chest from rolling back down the amp? the ramp is inclined 13.8 degrees. draw a sketch with force vectors working in this problem and solve the problem
Answers
Answered by
Henry
M = 0.454kg/Lb. * 80Lbs. = 36.3 kg.
M*g = 36.3 * 9.8 = 356.0 N.
Fp = 356*sin13.8 = 84.9 N. = Force parallel to the incline.
F = Fp = 84.9 N.
M*g = 36.3 * 9.8 = 356.0 N.
Fp = 356*sin13.8 = 84.9 N. = Force parallel to the incline.
F = Fp = 84.9 N.
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