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Simple Harmonic Motion — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsSimple Harmonic Motion1 Mark
Question
The average acceleration in one time period in a simple harmonic motion is:
  1. $\text{A}\omega^2$
  2. $\frac{\text{A}\omega^2}{2}$
  3. $\frac{\text{A}\omega^2}{\sqrt{2}}$
  4. $\text{Zero}.$
✓

Answer

  1. $\text{Zero}.$
Explanation:
The acceleration changes its direction (to opposite direction) after every half oscillation. Thus, net acceleration is given as,
$\text{A}\omega^2+(-\text{A}\omega^2)=0$

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