A laboratory spring extends by when acted upon by a force.

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A laboratory spring extends by

0.050\,\text{m}

when acted upon by a

2.0\,\text{N}

force. (i) Find its spring constant. (ii) If the same spring is now stretched so that its extension becomes

0.12\,\text{m}

, calculate the elastic potential energy stored at this new extension.