A spool of mass m = 2 kg rests on an incline as shown in the figure. The inner radius of the spool is r = 200 mm and the outer radius is R = 500 mm. The coefficient of friction between the spool and the incline is u = 0.4, and the angle of incline 0 = 60°. 1. Which way does the force of friction act, up or down the incline? 2. What is the required horizontal pull T to balance the spool on the incline? T 3. Is the spool about to slip?
A spool of mass m = 2 kg rests on an incline as shown in the figure. The inner radius of the spool is r = 200 mm and the outer radius is R = 500 mm. The coefficient of friction between the spool and the incline is u = 0.4, and the angle of incline 0 = 60°. 1. Which way does the force of friction act, up or down the incline? 2. What is the required horizontal pull T to balance the spool on the incline? T 3. Is the spool about to slip?
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Transcribed Image Text:A spool of mass m = 2 kg rests on an incline as shown in the figure.
The inner radius of the spool is r = 200 mm and the outer radius is
R = 500 mm. The coefficient of friction between the spool and the
incline is u = 0.4, and the angle of incline 0 =
1. Which way does the force of friction act, up or down the incline?
60°.
R
2. What is the required horizontal pull T to balance the spool on the
incline?
T
3. Is the spool about to slip?
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