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A particle is executing SHM and currently going towards the amplitude. If it is at A/2, what is the relation between the direction of velocity and acceleration?

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in Physics – Class 11 by (74.2k points)
A particle is executing SHM and currently going towards the amplitude. If it is at A/2, what is the relation between the direction of velocity and acceleration?

(a) Both vectors point towards the amplitude

(b) Velocity is towards amplitude & acceleration is towards mean position

(c) Velocity is towards mean position & acceleration is towards the amplitude

(d) Both vectors point towards the mean position

I have been asked this question in an interview for job.

My question is from Oscillations topic in chapter Oscillations of Physics – Class 11

1 Answer

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Right option is (b) Velocity is towards amplitude & acceleration is towards mean position

Best explanation: The force on a particle in SHM is always towards the mean position. The particle is currently going towards an extreme, thus velocity will be towards the amplitude.

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