2) The vertical bar AB has a mass of 100+ab kg with center of mass G midway between the ends. The bar is elevated from rest at 0 = 0 by means of the parallel links of negligible mass, with a constant couple M=5+b kNm applied to the lower link at C. Determine the angular acceleration a of the links as a function of 8 and find the force B in the link DB at the instant 8 = (30+ a)⁰. O B 1.5 m c 1.5 m O D. 0.6 m 1.8 m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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2) The vertical bar AB has a mass of 100+ab kg with center of mass G midway between the ends. The bar
is elevated from rest at 0 = 0 by means of the parallel links of negligible mass, with a constant couple
M=5+b kNm applied to the lower link at C. Determine the angular acceleration a of the links as a function
of 8 and find the force B in the link DB at the instant 8 = (30+ a)⁰.
O
B
1.5 m
c 1.5 m
O
.
0.6 m
1.8 m
Transcribed Image Text:2) The vertical bar AB has a mass of 100+ab kg with center of mass G midway between the ends. The bar is elevated from rest at 0 = 0 by means of the parallel links of negligible mass, with a constant couple M=5+b kNm applied to the lower link at C. Determine the angular acceleration a of the links as a function of 8 and find the force B in the link DB at the instant 8 = (30+ a)⁰. O B 1.5 m c 1.5 m O . 0.6 m 1.8 m
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