SAMPLE PROBLEM 6/2The vertical bar AB has a mass of 150 kg with center of mass G midway be-tween the ends. The bar is elevated from rest at 0 = 0 by means of the parallellinks of negligible mass, with a constant couple M = 5 kN•m applied to the lowerlink at C. Determine the angular acceleration a of the links as a function of 60.6 mB1.5 mand find the force B in the link DB at the instant when 0= 30°.1.8 mSolution. The motion of the bar is seen to be curvilinear translation since thebar itself does not rotate during the motion. With the circular motion of themass center G, we choose n- and t-coordinates as the most convenient descrip-LO1.5 mAM

SAMPLE PROBLEM 6/2 The vertical bar AB has a mass of 150 kg with center of mass G midway be- tween 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 kN•m applied to the lower link at C. Determine the angular acceleration a of the links as a function of 6 and find the force B in the link DB at the instant when 0= 30°. 0.6 m 1.5 m 1.8 m Solution. The motion of the bar is seen to be curvilinear translation since the bar itself does not rotate during the motion. With the circular motion of the mass center G, we choose n- and t-coordinates as the most convenient descrip- 1.5 m M

SAMPLE PROBLEM 6/2 The vertical bar AB has a mass of 150 kg with center of mass G midway be- tween 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 kN•m applied to the lower link at C. Determine the angular acceleration a of the links as a function of 6 and find the force B in the link DB at the instant when 0= 30°. 0.6 m 1.5 m 1.8 m Solution. The motion of the bar is seen to be curvilinear translation since the bar itself does not rotate during the motion. With the circular motion of the mass center G, we choose n- and t-coordinates as the most convenient descrip- 1.5 m M

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

SAMPLE PROBLEM 6/2
The vertical bar AB has a mass of 150 kg with center of mass G midway be-
tween 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 kN•m applied to the lower
link at C. Determine the angular acceleration a of the links as a function of 6
0.6 m
B
1.5 m
and find the force B in the link DB at the instant when 0= 30°.
1.8 m
Solution. The motion of the bar is seen to be curvilinear translation since the
bar itself does not rotate during the motion. With the circular motion of the
mass center G, we choose n- and t-coordinates as the most convenient descrip-
LO
1.5 m
A
M

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