3. The load at point B is 28 kN. Members AB is a Kelvin-Voigt composite bar, (E = 25 GPa, u = 5 x 1015 Pa-s), and bars AC, and BC of the truss shown is made of the an alloy (E = 150 GPa). The cross sectional areas of the bars are 2 cm?. Determine the following: F0.75 m→| A (0.4 m (a) What is the load in bar's AB, BC, and АС. В (b) Determine the vertical displacement of point B at t = 0. 1.4 m (c) Plot the displacement as a function of time. Use t=0, 5, 10, 15, and 20 sec- onds. C
3. The load at point B is 28 kN. Members AB is a Kelvin-Voigt composite bar, (E = 25 GPa, u = 5 x 1015 Pa-s), and bars AC, and BC of the truss shown is made of the an alloy (E = 150 GPa). The cross sectional areas of the bars are 2 cm?. Determine the following: F0.75 m→| A (0.4 m (a) What is the load in bar's AB, BC, and АС. В (b) Determine the vertical displacement of point B at t = 0. 1.4 m (c) Plot the displacement as a function of time. Use t=0, 5, 10, 15, and 20 sec- onds. C
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter2: Axially Loaded Members
Section: Chapter Questions
Problem 2.3.10P: A two-story building has steel columns AB in the first floor and BC in the second floor, as shown in...
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