Which of the following equations gives the restoring force exerted by an ideal spring…

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

Problem

Which of the following equations gives the restoring force exerted by an ideal spring on an attached object that is displaced a distance

\Delta x

from equilibrium along a straight line? (a)

F_s=-\dfrac{1}{2}k\,\Delta x

(b)

F_s=k\,\Delta x

(c)

F_s=-k\,\Delta x

(d)

F_s=-k\,|\Delta x|