lowering two boxes, one on top of the other, down a ramp by pulling on a ropeparallel to the surface of the ramp. Both blocks 27.0 kg 3.50 move with constant velocity. The coefficient of kinetic friction m between the ramp and the lower box is 0. 452 and the coefficient of static friction between the two boxes is 0.770. 5.75 m A Draw the Free-Body diagram of both blocks. Set the x-axis parallel to the ramp. В. Write Newton's 2nd law along the x and y directions for both blocks. C. What are the magnitude and direction of the frictional force on the upper box? D. What is the magnitude of the applied force? E. Determine the angle at which the top block will start to slide down the bottom block. ||

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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Answer only c d e
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
18.0
kg
pulling on a ropeparallel to the surface of the ramp. Both blocks
move with constant velocity. The coefficient of kinetic friction
27.0
kg
3.50
between the ramp and the lower box is 0. 452 and the
m
coefficient of static friction between the two boxes is 0.770.
5.75
A
Draw the Free-Body diagram of both blocks. Set the x-axis parallel to the ramp.
В
Write Newton's 2nd law along the x and y directions for both blocks.
C.
What are the magnitude and direction of the frictional force on the upper box?
D.
What is the magnitude of the applied force?
E.
Determine the angle at which the top block will start to slide down the bottom block.
||
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 18.0 kg pulling on a ropeparallel to the surface of the ramp. Both blocks move with constant velocity. The coefficient of kinetic friction 27.0 kg 3.50 between the ramp and the lower box is 0. 452 and the m coefficient of static friction between the two boxes is 0.770. 5.75 A Draw the Free-Body diagram of both blocks. Set the x-axis parallel to the ramp. В Write Newton's 2nd law along the x and y directions for both blocks. C. What are the magnitude and direction of the frictional force on the upper box? D. What is the magnitude of the applied force? E. Determine the angle at which the top block will start to slide down the bottom block. ||
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