2. An incline plane with friction making an angle of 30 degrees with the horizontal has a pulley at its top. A 30-kg block on the plane is connected to a freely hanging 20-kg block by means of a cord passing over a pulley. Initially the block is at rest when the cord is suddenly cut. M1 M, On the diagram below, show all the applied forces on the blocks when it moves up the plane. a. b. Determine the normal force applied on the block by the surface. с. Find the coefficient of friction.
2. An incline plane with friction making an angle of 30 degrees with the horizontal has a pulley at its top. A 30-kg block on the plane is connected to a freely hanging 20-kg block by means of a cord passing over a pulley. Initially the block is at rest when the cord is suddenly cut. M1 M, On the diagram below, show all the applied forces on the blocks when it moves up the plane. a. b. Determine the normal force applied on the block by the surface. с. Find the coefficient of friction.
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Transcribed Image Text:2. An incline plane with friction making an angle of 30 degrees with the horizontal has a pulley at
its top. A 30-kg block on the plane is connected to a freely hanging 20-kg block by means of a
cord passing over a pulley. Initially the block is at rest when the cord is suddenly cut.
M1
M,
On the diagram below, show all the applied forces on the blocks when it moves up the plane.
а.
b.
Determine the normal force applied on the block by the surface.
С.
Find the coefficient of friction.
d.
Find the acceleration of the block after the cord is cut?
е.
If there was no friction find the Tension Force at the cord before it was cut.
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