Physics

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}

-8\,\text{N}

+8\,\text{N}

+0.8\,\text{N}