A box placed on a inclined surface is held at rest by a rope (see figure). There is friction between the box and the surface.
If the box has mass
5.4 kg, the ramp angle is 29.3 degrees, and the coefficients of
friction are μ S = 0.39 and
μ k = 0.28, then calculate the magnitude of
the friction force (in N).
Homework Answers
frictional force
F = us mg cos x
F = 0.39* 5.4* 9.8 cos 29.3
F = 18 N
====
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