A sliding collar of weight W = 150 lb falls from a height h = 2.0 in.

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A sliding collar of weight W = 150 lb falls from a height h = 2.0 in. onto a flange at the bottom of a slender vertical rod (see figure). The rod has length L = 4.0 ft, cross-sectional area A = 0.75 in.2, and modulus of elasticity E = 30 × 106 psi.
Calculate the following quantities: (a) the maximum downward displacement of the flange, (b) the maximum tensile stress in the rod, and (c) the impact factor.
A sliding collar of weight W = 150 lb falls
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Mechanics of Materials

ISBN: 978-0495438076

7th edition

Authors: James M. Gere, Barry J. Goodno

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