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The relation between acceleration and di...

The relation between acceleration and displacement of four particles are given below. The particle undergoing SHM is:

A

`a_(x) = +2x`

B

`a_(x) =+2x^(2)`

C

`a_(x) =- 2x^(2)`

D

`a_(x)= -2x`

Text Solution

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The correct Answer is:
D
In option `(d)a_(x) = - 2x` or `a alpha -x`, the acceleration of the particle is proportional to negative of displaement. Hence it represnts `S.H.M`.
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