Consider the figure shown below. You are lowering two boxes, one on top of the other, down a ramp by pulling on a rope parallel to the surface of the ramp. Both blocks move with a constant velocity of 15.0 [ m s ]. The coefficient of kinetic friction between the ramp and the lower box are 0.444 and the coefficient of static friction between the two boxes is 0.800. a. Draw the Free-Body diagram of both blocks. Set the x-axis parallel to the ramp. b. What are the magnitude and direction of the frictional force on the upper box? c. What is the magnitude of the applied force?

Question

Consider the figure shown below. You are lowering two boxes,
one on top of the other, down a ramp by pulling on a rope parallel to the
surface of the ramp. Both blocks move with a constant velocity of 15.0 [ m s
]. The coefficient of kinetic friction between the ramp and the lower box
are 0.444 and the coefficient of static friction between the two boxes is
0.800. a. Draw the Free-Body diagram of both blocks. Set the x-axis parallel to
the ramp. b. What are the magnitude and direction of the frictional force on the upper box? c. What is the magnitude of the applied force? 

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Newtons Laws of Motion

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