One end of a uniform meter stick is placed against a vertical wall. The other end is held by a lightweight cord that makes an angle ? with the stick. The coefficient of static friction between the end of the meter stick and the wall is us =0.40. A. What is the maximum value the angle ? can have if the stick is to remain in equilibrium? B. s) A block of the same weight as the meter stick is suspended from the stick, as shown, at a distance x from the wall. Assume that angle ? = 15° in this problem. What is the minimum value of x for which the stick will remain in equilibrium? C. When angle ? = 15°, how large must the coefficient of static friction be so that the block can be attached 0.10 m from the left end of the stick without causing it to slip?
One end of a uniform meter stick is placed against a vertical wall. The other end is held by a lightweight cord that makes an angle ? with the stick. The coefficient of static friction between the end of the meter stick and the wall is us =0.40.
A. What is the maximum value the angle ? can have if the stick is to remain in equilibrium?
B. s) A block of the same weight as the meter stick is suspended from the stick, as shown, at a distance x from the wall. Assume that angle ? = 15° in this problem. What is the minimum value of x for which the stick will remain in equilibrium?
C. When angle ? = 15°, how large must the coefficient of static friction be so that the block can be attached 0.10 m from the left end of the stick without causing it to slip?
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