The Force an Ideal Spring Exerts on an Object Is

Multiple Choice

The force an ideal spring exerts on an object is given by F_x =-kx,where x measures the displacement of the object from its equilibrium (x = 0) position.If k = 60 N/m,how much work is done by this force as the object moves from x = -0.20 m to x = 0?

A) -1.2 J
B) +1.2 J
C) +2.4 J
D) -2.4 J
E) +3.6 J