A light helical spring is stretched by and is found to store of elastic potential energy.

PHYSICS · Multi-part · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A light helical spring is stretched by

0.20\,\text{m}

and is found to store

0.80\,\text{J}

of elastic potential energy. (i) Calculate the spring constant of the spring. (ii) Determine the magnitude of the force required to keep the spring stretched by

0.20\,\text{m}

. Use your answer from part (i).

Related theory

Common Forces in Mechanics
Potential Energy
Elastic strain energy
Work done on a spring and elastic potential energy
Work, Energy and Power
Potential energy of a spring

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