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Doubt & Answer Explanation

Doubt

is acceleration negative of displacement?

Answer Explanation

Can you please explain your question in detail?
If you mean - in simple harmonic motion, is acceleration's sign negative compared to the sign of displacement - the answer is yes. This is because in simple harmonic motion, the acceleration is because of the restoring force which tries to bring the body back to its initial position. So this acceleration acts in the direction opposite to the direction of displacement - a proportional to - x.

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