3) The assembly consists of two 10-lb, 4-ft bars AB and BC that are pin connected to the two 12-lb, 6-in-radiuscircular disks at A and C. The bars are released from rest at time t=0 when = 60°. At the instant when = 30°, find i) the change in potential energy. ii) the angular velocities of AB and BC, toge.der with iii) ( that of Disk A and Disk C. Assume the disks roll without slipping, and the ground is smooth. Assume symmetry so that • AB and BC have the same translational and rotation (angular) speeds, and so are Disk A and Disk C. •

3) The assembly consists of two 10-lb, 4-ft bars AB and BC that are pin connected to the two 12-lb, 6-in-radiuscircular disks at A and C. The bars are released from rest at time t=0 when = 60°. At the instant when = 30°, find i) the change in potential energy. ii) the angular velocities of AB and BC, toge.der with iii) ( that of Disk A and Disk C. Assume the disks roll without slipping, and the ground is smooth. Assume symmetry so that • AB and BC have the same translational and rotation (angular) speeds, and so are Disk A and Disk C. •

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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3) The assembly consists of two 10-lb, 4-ft bars
AB and BC that are pin connected to the two 12-lb,
6-in-radiuscircular disks at A and C. The bars are
released from rest at time t = 0 when 0= 60°. At
the instant when = 30°, find
i)
the change in potential energy.
ii)
the angular velocities of AB and BC,
togener with iii) ( that of Disk A and Disk C.
Assume the disks roll without slipping, and the
ground is smooth. Assume symmetry so that
AB and BC have the same translational and
rotation (angular) speeds, and
• so are Disk A and Disk C

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