Acceleration of mass in a simple harmonic motion is given by:

$\overline{){\mathbf{a}}{\mathbf{=}}{\mathbf{-}}{{\mathbf{\omega}}}^{{\mathbf{2}}}{\mathbf{x}}}$

A mass on a spring moves with simple harmonic motion as shown.

1)Where is the acceleration of the mass most positive?

x = -A

x = 0

x = +A

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