Which of the statements above are correct?

During a training session, two footballers pass a ball repeatedly between each other. The ‘to and fro’ motion of the ball is not simple harmonic because the

I. Acceleration of the ball is not directed towards a fixed point

II. Restoring force is not directed towards the centre

III. Acceleration of the ball is not directly proportional to the displacement from a fixed point

A. I and III only
B. I and II only
C. II and III only
D. I, II and III

Correct Answer: Option A

A. I and III only