A particle oscillates with undamped simple harmonic motion.
Which one of the following statements about the acceleration of the oscillating particle is true?
It is least when the speed is greatest.
It decreases as the potential energy increases
It is always in the opposite direction to its velocity
It is proportional to the frequency.
Curve A in the figure represents:
A moderately damped situation.
Critical damping.
An overdamped situation.
An underdamped situation.
