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Tylersaurus
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Homework Statement
A 1500 N crate is being pushed across a level floor at a constant speed by a force F of 700 N at an angle of 20° below the horizontal.
What is the coefficient of kinetic friction between the crate and the floor?
Homework Equations
f=mu(n)
The Attempt at a Solution
I tried 700cos20/1500 + 1500sin20 using the horizontal component of the applied force divided by the normal force, which was mg plus the vertical component of the applied force, but it didn't work, obviously. Any suggestions?