Asked by Mary

A 15 kg box is given an initial push to start it moving up a frictionless ramp with angle theta = 30 degree and length delta r = 22m. What horizontal force F will keep the box moving with constant speed to the top of the ramp?
Answered by Anonymous
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Answered by Henry
M*g = 15 * 9.8 = 147 N. = Wt. of
box.

Fp = 147*sin30 = 73.5 N. = Force parallel to the incline.

Fx = Fp*Cos30 = 73.5*Cos30 = 63.6 N.
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