An Object Is Executing Simple Harmonic Motion

Multiple Choice

An object is executing simple harmonic motion.What is true about the acceleration of this object? (There may be more than one correct choice.)

A) The acceleration is a maximum when the displacement of the object is a maximum.
B) The acceleration is a maximum when the speed of the object is a maximum.
C) The acceleration is a maximum when the displacement of the object is zero.
D) The acceleration is zero when the speed of the object is a maximum.
E) The acceleration is a maximum when the object is instantaneously at rest.