A spring with force constant is stretched to the right of its equilibrium position

PHYSICS · Single correct · CBSE · Physics · Oscillations · Oscillations

Problem

A spring with force constant

200\,\text{N m}^{-1}

is stretched

0.04\,\text{m}

to the right of its equilibrium position. Taking right as the positive direction, the restoring force on the attached mass is (a)

-0.8\,\text{N}

(b)

-8\,\text{N}

(c)

+8\,\text{N}

(d)

+0.8\,\text{N}