International Edition---engineerin...

4th Edition
Andrew Pytel And Jaan Kiusalaas
Publisher: CENGAGE L
ISBN: 9781305501607
Chapter 10, Problem 10.9P
Textbook Problem

The four-bar linkage supports the homogeneous box of weight W. Neglecting the weight of the linkage, determine the horizontal pin reactions at A and B.

Chapter 10, Problem 10.9P, The four-bar linkage supports the homogeneous box of weight W. Neglecting the weight of the linkage,

To determine

Horizontal pin reaction at point A and B

Explanation of Solution

Given information:

Weight of linkage is negligible.

Virtual work δU done by force F is defined as:


In above equation

F - Force

δr - Virtual force

α - Angle between F and δr

Virtual displacement δrB of point B is defined as:


In above equation

  δθ - Virtual rotation

  rAB - Magnitude of vector drawn from A to B


The length xB


The virtual displacement δxB


The length yB


The virtual displacement δyB


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Chapter 10 Solutions

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