A 15-lb slender rod AB is riveted to a 12-lb uniform disk as shown. A belt is attached to the rim of the disk and to a spring that holds the rod at rest in the position shown. If end A of the rod is moved 0.75 in. down and released, determine (a) the period of vibration, (b) the maximum velocity of end A. Fig. P19.41 -36 in. 10 in. 00 B k=30 lb/in. If a vertical force of 20 sin (20t) (lb) is applied at A in P19.41, determine the magnification factor and the amplitude of the steady state response. PLEASE ONLY ANSWER THIS QUESTION.^^^

A 15-lb slender rod AB is riveted to a 12-lb uniform disk as shown. A belt is attached to the rim of the disk and to a spring that holds the rod at rest in the position shown. If end A of the rod is moved 0.75 in. down and released, determine (a) the period of vibration, (b) the maximum velocity of end A. Fig. P19.41 -36 in. 10 in. 00 B k=30 lb/in. If a vertical force of 20 sin (20t) (lb) is applied at A in P19.41, determine the magnification factor and the amplitude of the steady state response. PLEASE ONLY ANSWER THIS QUESTION.^^^

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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Concept explainers

Free undamped vibrations

Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Generally, there are three types of vibration: longitudinal vibration, transverse vibration, and torsional vibration.

Question

A 15-lb slender rod AB is riveted to a 12-lb uniform disk as shown. A belt is attached to the rim of
the disk and to a spring that holds the rod at rest in the position shown. If end A of the rod is
moved 0.75 in. down and released, determine (a) the period of vibration, (b) the maximum
velocity of end A.
Fig. P19.41
-36 in.
10 in.
B
k=30 lb/in.
If a vertical force of 20 sin (20t) (lb) is applied at A in
P19.41, determine the magnification factor and the
amplitude of the steady state response.
PLEASE ONLY ANSWER THIS QUESTION.^^^

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