Q.
A child swings sitting and standing inside swing as shown in figure, then period of oscillations have the relation
A) $(T)_{Sitting} = (T)_{Standing}$
B) $(T)_{Sitting} > (T)_{Standing}$
C) $(T)_{Sitting} < (T)_{Standing}$
D) ${2(T)}_{Sitting} = (T)_{Standing}$
Explanation
(b) $T \propto \sqrt{l},\ \because$ effective length $l_{sitting} > l_{standing}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.