In forced oscillations, sometimes it is important to analyze the effect of periodically varying force (say, F = F0 cos ωt). So the equation becomes (F0 cos ωt) + (-kx) = Ma. A steady state solution of

Question

In forced oscillations, sometimes it is important to analyze the effect of periodically varying force (say, F = F0 cos ωt). So the equation becomes (F0 cos ωt) + (-kx) = Ma. A steady state solution of the above equation takes the form x(t) = A cos ωt. Let δ be a real number such that δ → 0+. Then

Prashant Kotian · Accepted Answer

Correct answer: D. 55. C

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