Q.
In the figure, the vertical sections of the string are long. $A$ is released from rest from the position shown. Then
A) The system will remain in equilibrium
B) The central block will move down continuously
C) The central block will undergo simple harmonic motion
D) The central block will undergo periodic motion but not simple harmonic motion
Explanation
The correct answer is Option C: The central block will undergo simple harmonic motion.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.