Home NEET 2020 OSCILLATION Previous year Questions THE PHASE DIFFERENCE BETWEEN DISPLACEMENT AND ACCELERATION OF A PARTICLE IN A SIMPLE HARMONIC MOTION IS

THE PHASE DIFFERENCE BETWEEN DISPLACEMENT AND ACCELERATION OF A PARTICLE IN A SIMPLE HARMONIC MOTION IS

[NEET - 2020]

\[(a)\pi rad\]

\[(b)\frac{3\pi}{2} rad\]

\[(c)\frac{\pi}{2} rad\]

\[(d)zero\]

Solution:

Equation for SHM is

\[y = a \sin (\omega t)\]

\[V=\frac{dy}{dt} = a\omega \cos (\omega t)\]

\[a=\frac{dv}{dt} = -a\omega^{2} \sin (\omega t)\]

\[a=\frac{dv}{dt} = a\omega^{2} \sin (\omega t-\pi)\]

phase difference between displacement and acceleration is

\[\pi\]

( $\pi$ $\pi$ )

Milan Tomic

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