Question

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The resultant force acting on a particle executing simple harmonic motion is 4N when it is 5cm away from the centre of oscillation . find the spring constant.
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Answer 1

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$\bold \green{solution}$
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The simple harmonic motion is defined as

F = - kx

the spring constant is k = |F/x|

= 4N /5cm = 4N /5*10-² m = 80Nm-¹ Answer ✔

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