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 0 with the stick. The coefficient of static friction between the end of the meter stick and the wall is pu, = 0.400. A. (2 points) What is the maximum value that 0 can have if the stick is to remain in equilibrium? Express your answer in degrees. B. (4 points) A block of the same weight as the meter stick is suspended from the stick at a distance a from the wall, as shown below. Assume that 0 =15.0° in this part of the problem. What is the minimum value of x for which the stick will remain in equilibrium? Answer: x >
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 0 with the stick. The coefficient of static friction between the end of the meter stick and the wall is pu, = 0.400. A. (2 points) What is the maximum value that 0 can have if the stick is to remain in equilibrium? Express your answer in degrees. B. (4 points) A block of the same weight as the meter stick is suspended from the stick at a distance a from the wall, as shown below. Assume that 0 =15.0° in this part of the problem. What is the minimum value of x for which the stick will remain in equilibrium? Answer: x >
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter14: Static Equilibrium, Elasticity, And Fracture
Section: Chapter Questions
Problem 25PQ: A painter of mass 87.8 kg is 1.45 m from the top of a 6.67-m ladder. The ladder rests against a...
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