APFIVE Static Friction on an Inclined Plane
A 5.0 kg crate is on a ramp inclined at 20° with respect to the horizontal. The coefficients of static and kinetic friction between the crate and the ramp are μₛ = 0.45 and μₖ = 0.30. What is the minimum force, parallel to the ramp, needed to initiate the crate’s motion up the ramp?
A
16.8 N
B
66.1 N
C
33.7 N
D
49.3 N
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