A 50.0-N horizontal force is applied to a 40.0-N crate that is placed on a 15° ramp. The coefficient of kinetic friction between the crate and the ramp is 0.25. The net force acting on the crate is
A) 25 N.
B) 30 N.
C) 40 N.
D) 50 N.
Correct Answer:
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