NEET 2009 Physics question

Which one of the following equations of motion represents simple harmonic motion? Where k, , and a are all positive.

(1)acceleration Correct
(2)acceleration
(3)acceleration
(4)acceleration

Answer: (1)

Solution

SHM requires the acceleration to be proportional to the displacement from the equilibrium position and directed towards it: . Option (1): is of the form with , a restoring acceleration about the

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Question ID VK-090166