Physics

Physics

Problem

A block attached to an ideal horizontal spring is displaced a distance xx from the equilibrium position. Which of the following expressions gives the net restoring force exerted by the spring on the block? a) F=kxF=kx b) F=−12kxF=-\dfrac{1}{2}kx c) F=−kxF=-kx d) F=k∣x∣F=k|x|

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