The 20-kg block is subjected to the action of the harmonic force F = (90 cos 6t) N. where it is in seconds. (Figure 1) gure k-400 N/m SH k= 400 N/m 20 kg F-90 cos 6 •••c-125 N-sim 1 of 1 > Write the equation which describes the steady-state motion. Express your answer in terms of t. Express your answer using three significant figures. Express the phase in radians and the final result in meters z= AF A ? m

The 20-kg block is subjected to the action of the harmonic force F = (90 cos 6t) N. where it is in seconds. (Figure 1) gure k-400 N/m SH k= 400 N/m 20 kg F-90 cos 6 •••c-125 N-sim 1 of 1 > Write the equation which describes the steady-state motion. Express your answer in terms of t. Express your answer using three significant figures. Express the phase in radians and the final result in meters z= AF A ? 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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Concept explainers

Free Damped Vibrations

Free vibration is a type of vibration in which the external force is removed after giving the initial displacement to a body/system. In other words, in this type of vibration, force is applied at the initial displacement of the system, and after the initial displacement, force is removed, and the system vibrates at the natural frequency.

Question

The 20-kg block is subjected to the action of the harmonic force F = (90 cos 6t) N, where t is in seconds. (Figure 1)
Figure
k-400 N/m
Sw
20 kg
k=400 N/m 00
F-90 cos 6r
c-125 N-s/m
< 1 of 1
Part A
Write the equation which describes the steady-state motion.
Express your answer in terms of t. Express your answer using three significant figures. Express the phase radians and the final result in meters.
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4
?
m

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