An object is said to be in simple harmonic motion (SHM) if ____________
A. the acceleration is directly proportional to the displacement and is directed toward the equilibrium position of the object B. the acceleration is inversely proportional to the displacement and directed toward the equilibrium position of the object C. the displacement is directly proportional to the momentum and directed toward the equilibrium position of the object D. the momentum is directly proportional to the displacement and directed toward the equilibrium position of the object
