A man is putting down 2 boxes, one on top of the other, down a ramp by pulling on a rope parallel to the surface of the ramp. Both the blocks move with constant v of 10.0 [m/s]. Given that the kinetic friction's coefficient among the ramp and lower box is 0.555 and the coefficient of static friction among the two boxes is 0.750

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Chapter1: Units, Trigonometry. And Vectors
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A man is putting down 2 boxes, one on top of the other, down a ramp by pulling on a rope parallel to the
surface of the ramp. Both the blocks move with constant v of 10.0 [m/s]. Given that the kinetic
friction's coefficient among the ramp and lower box is 0.555 and the coefficient of static friction among
the two boxes is 0.750
18.0
kg
27.0
kg
3.50
5.75
1.1 Draw the Free-Body diagram of both blocks. Set the x-axis parallel to the ramp.
1.2 Write Newton's 2nd law along the x and y directions for both blocks considering their state of
motion (accelerations).
1.3 What is the magnitude of the applied force?
1.4 Determine the angle at which the top block will start to slide down the bottom block.
Transcribed Image Text:A man is putting down 2 boxes, one on top of the other, down a ramp by pulling on a rope parallel to the surface of the ramp. Both the blocks move with constant v of 10.0 [m/s]. Given that the kinetic friction's coefficient among the ramp and lower box is 0.555 and the coefficient of static friction among the two boxes is 0.750 18.0 kg 27.0 kg 3.50 5.75 1.1 Draw the Free-Body diagram of both blocks. Set the x-axis parallel to the ramp. 1.2 Write Newton's 2nd law along the x and y directions for both blocks considering their state of motion (accelerations). 1.3 What is the magnitude of the applied force? 1.4 Determine the angle at which the top block will start to slide down the bottom block.
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