Tamilnadu BoardEnglish MediumSTD 11PhysicsOscillations2 Marks
Question
Define acceleration in SHM.
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Answer
Acceleration: The rate of change of velocity is acceleration. $ \begin{aligned} a & =\frac{d v}{d t}=\frac{d}{d t}( A \omega \cos \omega t) \\ & a=-\omega^2 A \sin \omega t=-\omega^2 y \\ \therefore \quad a & =\frac{d^2 y}{d t^2}=-\omega^2 y \end{aligned} $
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