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

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Which of the following expressions represents the elastic potential energy stored in an ideal spring stretched by a distance

x

? (a)

kx^{2}

(b)

mgx

(c)

\dfrac{1}{2}kx^{2}

(d)

\dfrac{1}{4}kx^{2}