Consider the figure shown in the following figure. 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 constant velocity of 10.0 [m/s]. The coefficient of kinetic friction between the ramp and the lower box is 0.555 and the coefficient of static friction between the two boxes is 0.750.   A.  Draw the Free-Body diagram of both blocks. Set the ?-axis parallel to the ramp.  B. Write Newton’s 2nd law along the ? and ? directions for both blocks considering their state of motion (accelerations).

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Consider the figure shown in the following figure. 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 constant velocity of 10.0 [m/s]. The coefficient of kinetic friction between the ramp and the lower box is 0.555 and the coefficient of static friction between the two boxes is 0.750.
 
A.  Draw the Free-Body diagram of both blocks. Set the ?-axis parallel to the ramp. 

B. Write Newton’s 2nd law along the ? and ? directions for both blocks considering their state of motion (accelerations).

4. Going down, down!
Consider the figure shown in the following figure. 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 constant
18.0
kg
velocity of 10.0 [m/s]. The coefficient of kinetic friction between the
ramp and the lower box is 0.555 and the coefficient of static friction
between the two boxes is 0.750.
27.0
kg
3.50
5.75
Transcribed Image Text:4. Going down, down! Consider the figure shown in the following figure. 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 constant 18.0 kg velocity of 10.0 [m/s]. The coefficient of kinetic friction between the ramp and the lower box is 0.555 and the coefficient of static friction between the two boxes is 0.750. 27.0 kg 3.50 5.75
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