A homogeneous cylinder 3 ft in diameter and weighing 300 Ib is resting on two inclined plane as shown. The angle of friction for all contact surfaces is 15". What is the magnitude of the couple (in pound-ft) required to start the cylinder rotating counterclockwise?
A homogeneous cylinder 3 ft in diameter and weighing 300 Ib is resting on two inclined plane as shown. The angle of friction for all contact surfaces is 15". What is the magnitude of the couple (in pound-ft) required to start the cylinder rotating counterclockwise?
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Transcribed Image Text:A homogeneous cylinder 3 ft in diameter and weighing 300 lb is resting on two
inclined plane as shown. The angle of friction for all contact surfaces is 15".
What is the magnitude of the couple (in pound-ft) required to start the cylinder
rotating counterclockwise?
147.6
168.2
120.5
225.3
188.4
What is the magnitude of the normal force (in pounds) at the 15 inclined floor? *
188.5
157.8
289.8
251.2
322.6
What is the magnitude of the frictional force (in pounds) at the 75 inclined wall?
32.2
77.6
28.2
47.4
20.8
O O O
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