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The relation between acceleration and displacement of four particles are given below:
(a) a_{x} = +2x      

(b) a_{x} = +2x^{2}      

(c) a_{x} = -2x^{2}    

(d) a_x = -2x
Which one of the particle is exempting simple harmonic motion?

Answers (1)

The answer is the option (d) a_x = -2x

Explanation: In simple harmonic motion,

Acceleration proportional (as well as opposite) to displacement.

Thus, opt (d)

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