Phase angle in forced vibrations

Q.  What is meant by phase difference or phase angle in forced vibrations?
- Published on 10 Sep 15

a. Difference between displacement vector (xp) and velocity vector Vp
b. Angle in which displacement vector leads force vector by (F0 sinωt)
c. Angle in which displacement vector (xp) lags force vector (F0 sinωt)
d. None of the above

ANSWER: Angle in which displacement vector (xp) lags force vector (F0 sinωt)

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