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DB91
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Homework Statement
A box rest on an incline making a 34 angle with the horizontal. It is found that a parallel force to the incline of at least 235 N can prevent the box from sliding down the incline. If the weight of the box is 800 N, find the coefficient of static friction between the box and the incline.
Homework Equations
Just wanted to know what formula to use or at least how construct the formula.
The Attempt at a Solution
Didn't know where to start.