Answer the following in brief:
A bob moves along the path \(O\) \(\to\) \(A\) \(\to\) \(B\) \(\to\) \(O\). Does this motion represent one complete oscillation? Explain your answer.
, the pendulum has completed one complete oscillation.
The pendulum starts from the .
It moves to , then to the other , and finally .
Since the bob returns to its starting position after reaching the opposite extreme position, it has completed .