The bar AB in figure "a" has weight W, length L, and is articulated at point B. End A is supported by a light thread, which passes through a smooth pulley, from which a block hangs at its other end. . Required: (a) Determine how much the block must weigh so that bar AB is in equilibrium. (b) Assuming that the block actually has the value calculated before, but instead of the bar being hinged at B, it only rests on a rough plane with coefficient μ= 0.7, as shown in figure "b". Is the bar balanced? 60%60W.LW,L23B(ь)(a) The bar AB in figure "a" has weight W, length L, andis articulated at point B. End A is supported by alight thread, which passes through a smooth pulley,from which a block hangs at its other end. .Required: (a) Determine how much the block mustweigh so that bar AB is in equilibrium. (b) Assumingthat the block actually has the value calculatedbefore, but instead of the bar being hinged at B, itonly rests on a rough plane with coefficient µ= 0.7,as shown in figure "b". Is the bar balanced?

Answered: Image /qna-images/answer/da86f41d-ab4f-4a3e-9ac6-4d182a82bb1d.jpg

The bar AB in figure "a" has weight W, length L, and is articulated at point B. End A is supported by a light thread, which passes through a smooth pulley, from which a block hangs at its other end. . Required: (a) Determine how much the block must weigh so that bar AB is in equilibrium. (b) Assuming that the block actually has the value calculated before, but instead of the bar being hinged at B, it only rests on a rough plane with coefficient μ= 0.7, as shown in figure "b". Is the bar balanced?

The bar AB in figure "a" has weight W, length L, and is articulated at point B. End A is supported by a light thread, which passes through a smooth pulley, from which a block hangs at its other end. . Required: (a) Determine how much the block must weigh so that bar AB is in equilibrium. (b) Assuming that the block actually has the value calculated before, but instead of the bar being hinged at B, it only rests on a rough plane with coefficient μ= 0.7, as shown in figure "b". Is the bar balanced?

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.46P: The uniform bar AB of weight W and length L is pinned to a sliding collar at A and to the sliding...

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