A ball swinging at the end of a massless string, as shown in the figure, undergoes simple harmonic motion. At what point (or points)is the magnitude of the instantaneous acceleration of the ball the greatest?
A)C
B)A and D
C)A and C
D)A and B

Question

A ball swinging at the end of a massless string, as shown in the figure, undergoes simple harmonic motion. At what point (or points)is the magnitude of the instantaneous acceleration of the ball the greatest? 
A)C 
B)A and D 
C)A and C 
D)A and B

Quizplus · Accepted Answer

The Answer of A ball swinging at the end of a massless string, as shown in the figure, undergoes simple harmonic motion. At what point (or points)is the magnitude of the instantaneous acceleration of the ball the greatest? 
A)C 
B)A and D 
C)A and C 
D)A and B

A Ball Swinging at the End of a Massless String