Which of the following expressions gives the elastic potential energy U stored in an…

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

Problem

Which of the following expressions gives the elastic potential energy U stored in an ideal spring when it is displaced by a distance x from its equilibrium position? (a)

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

(b)

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

(c)

k x^{2}

(d)

\dfrac{1}{3} k x^{2}

Related theory

Potential Energy
Elastic (strain) energy
Work Energy and Power
Work done on a spring and elastic potential energy
Potential energy of a spring

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