Do fast For a harmonically excited single degree offreedom viscous damped system, which one ofthe following is correct?(a) Inertia force leads damping force by 90 whiedamping force leads spring force by 90(b) Spring force leads damping force by 90while damping force leads inertia force by180(c) Spring force and damping force are in phase,and inertia force leads them by 90°(d) Spring force and inertia force are in phaseand damping force leads them by 90

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eads damping force g force leads inertia and damping force are rce leads them by 90

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

Do fast

For a harmonically excited single degree of
freedom viscous damped system, which one of
the following is correct?
(a) Inertia force leads damping force by 90 whie
damping force leads spring force by 90
(b) Spring force leads damping force by 90
while damping force leads inertia force by
180
(c) Spring force and damping force are in phase,
and inertia force leads them by 90°
(d) Spring force and inertia force are in phase
and damping force leads them by 90

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