Question

when excerising using a spring you pull the spring 0.30m with a force of 365N. What distance will the spring stretch from its zero position if you applied a force of 400N?
bobpursley
Using Hooke's law:

Force=kx
k=force/x=365/.3

400=k distance
distance=400/k=400/(365/.3)=400*.3/365

Neat.

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