Which one of the following expressions represents the elastic potential energy stored…

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

Which one of the following expressions represents the elastic potential energy stored in a spring of force constant

k

when it is compressed by a distance

x

? (a)

k x^{2}

(b)

\dfrac{1}{2} k x^{2}

(c)

\dfrac{1}{4} k x^{2}

(d)

\dfrac{3}{4} k x^{2}