Solve the following :


A body builder exerts a force of $150 \mathrm{~N}$ against a bullworker and compresses it by $20 \mathrm{~cm}$. Calculate the spring constant of the spring in the bullworker.


Net Force

$F=k x$

$150=k \times 0.2$

$\mathrm{k}=750 \mathrm{~N} / \mathrm{m}$


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