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Question

A body builder exerts a force of $150 N$ against a bullworker and compresses it by $20 c m$ . Calculator the spring constant of the spring in the bullworker.

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Solution

$A p p l i e d f o r c e = 150 N C o m p r e s s i o n = 20 c m = .2 m$

Spring Force
$F = K x K = \frac{F}{x} K = \frac{150}{.2} K = 750 N / m$

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