As shown in the figure below, a uniform beam of mass m and length L is inclined at an angle to the horizontal and held in place by a horizontal cord at the top and friction at the bottom. The coeficient of static friction between the beam and horizontal surface is , and the angle is such that the static friction force is at its maximum value. (a) Using the second condition of equilibrium, determine an expression for the tension Tin the rope in terms of m. g. and 8. (b) Using the first condition of equilibrium, find a second expression for T in terms of m, and g. (c) Using the foregoing results, determine an expression for the coefficient of static friction , in terms of only the angle 8.

As shown in the figure below, a uniform beam of mass m and length L is inclined at an angle to the horizontal and held in place by a horizontal cord at the top and friction at the bottom. The coeficient of static friction between the beam and horizontal surface is , and the angle is such that the static friction force is at its maximum value. (a) Using the second condition of equilibrium, determine an expression for the tension Tin the rope in terms of m. g. and 8. (b) Using the first condition of equilibrium, find a second expression for T in terms of m, and g. (c) Using the foregoing results, determine an expression for the coefficient of static friction , in terms of only the angle 8.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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