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The rope remains perpendicular to the crate at all times

Determine the force F required to begin to move the crate up the incline. In addition you are to determine the maximum height (y) that the rope can be attached to the crate. The rope remains perpendicular to the crate at all times.

(see diagram in attached file)

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Because, friction force (W*cos(25)*mu_s) as well the component of weight (W*sin(25)) of the block will will act down ward along the plane.
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<br>Hence, ...

Solution Summary

Determine the force F required to begin to move the crate up the incline. In addition you are to determine the maximum height (y) that the rope can be attached to the crate. The rope remains perpendicular to the crate at all times.

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