Answer Exercise 6.3.22 when the roller at node 4 only allows it to move in the vertical

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Answer Exercise 6.3.22 when the roller at node 4 only allows it to move in the vertical direction.
Exercise 6.3.22
(a) Construct the reduced incidence matrix and the equilibrium equations in this situation. You should have a system of 5 equations in 5 unknowns-the horizontal and vertical displacements of nodes 2 and 3 and the horizontal displacement of node 4.
(b) Is your structure stable? If not, how many rigid motions and how many mechanisms does it permit?
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Applied Linear Algebra

ISBN: 978-0131473829

1st edition

Authors: Peter J. Olver, Cheri Shakiban

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