Part D - Application (Full Solutions are Required) [20 marks] 16. Below is a diagram showing two blocks joined with a rope which runs over a pulley. The masses of the blocks are 5.0 and 9.4kg. The coefficient of static friction between the blocks and the surface is 0.25. Both of the surfaces form the same angle, e, with the horizontal. a. Draw a Free-Body-Diagram for each of the masses, labeling all forces. [3 marks] If the angle, e, starts at 0.0° and is gradually increased, at what angle will the system start to move? [7 marks] b. 5.0kg e 9.4kg e

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Chapter1: Units, Trigonometry. And Vectors
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Part D - Application (Full Solutions are Required) [20 marks]
16. Below is a diagram showing two blocks joined with a rope which runs over a pulley. The
masses of the blocks are 5.0 and 9.4kg. The coefficient of static friction between the
blocks and the surface is 0.25. Both of the surfaces form the same angle, e, with the
horizontal.
a. Draw a Free-Body-Diagram for each of the masses, labeling all forces. [3 marks]
If the angle, e, starts at 0.0° and is gradually increased, at what angle will the
system start to move? [7 marks]
b.
5.0kg
e
9.4kg
e
Transcribed Image Text:Part D - Application (Full Solutions are Required) [20 marks] 16. Below is a diagram showing two blocks joined with a rope which runs over a pulley. The masses of the blocks are 5.0 and 9.4kg. The coefficient of static friction between the blocks and the surface is 0.25. Both of the surfaces form the same angle, e, with the horizontal. a. Draw a Free-Body-Diagram for each of the masses, labeling all forces. [3 marks] If the angle, e, starts at 0.0° and is gradually increased, at what angle will the system start to move? [7 marks] b. 5.0kg e 9.4kg e
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