Multiple choice

Let a girl be swinging on a swing while she is in a sitting position. If she stands up now, how will the period of swing be effected?

  1. No change in time period

  2. It will increase

  3. It will decrease

  4. It will become zero
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When the girl stands up, the center of gravity of the swing system rises, effectively shortening the length of the pendulum (L). Since the time period T = 2 * pi * sqrt(L/g), a decrease in L results in a decrease in the time period.

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