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A post of weight w (in newton) and height h is placed vertically. One end of the post rests on a horizontal surface which has the coefficient of static friction µg. The upper end is attached to a rope fastened to the surface and making an angle of 0 with the post. A horizontal force F is applied at the distance y from the surface. Complete the following tasks. a) Draw a free body diagram of this situation. b) Write down the torques around the point where the rope is fastened to the ground. c) Write down the torques around the upper end of the post. d) Show that to slip can be expressed by maximum magnitude of a horizontal force F out causing the post y where a = h' F = - a a tane,

A post of weight w (in newton) and height h is placed vertically. One end of the post rests on a horizontal surface which has the coefficient of static friction µg. The upper end is attached to a rope fastened to the surface and making an angle of 0 with the post. A horizontal force F is applied at the distance y from the surface. Complete the following tasks. a) Draw a free body diagram of this situation. b) Write down the torques around the point where the rope is fastened to the ground. c) Write down the torques around the upper end of the post. d) Show that to slip can be expressed by maximum magnitude of a horizontal force F out causing the post y where a = h' F = - a a tane,

College Physics
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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g h F y A post of weight w (in newton) and height h is placed vertically. One end of the post rests on a horizontal surface which has the coefficient of static friction ug. The upper end is attached to a rope fastened to the surface and making an angle of 0 with the post. A horizontal force F is applied at the distance y from the surface. Complete the following tasks. a) Draw a free body diagram of this situation. b) Write down the torques around the point where the rope is fastened to the ground. c) ite down the torques around the upper end of the post. d) Show that the maximum magnitude of a horizontal force F without causing the post to slip can be expressed by W y where a =-. F = - a a Us tan0
Transcribed Image Text:g h F y A post of weight w (in newton) and height h is placed vertically. One end of the post rests on a horizontal surface which has the coefficient of static friction ug. The upper end is attached to a rope fastened to the surface and making an angle of 0 with the post. A horizontal force F is applied at the distance y from the surface. Complete the following tasks. a) Draw a free body diagram of this situation. b) Write down the torques around the point where the rope is fastened to the ground. c) ite down the torques around the upper end of the post. d) Show that the maximum magnitude of a horizontal force F without causing the post to slip can be expressed by W y where a =-. F = - a a Us tan0
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