Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A pendulum is released from point A as shown. At some instant net force on the bob is making an angle θ with the string. Match the following.

Column – I | Column – II |
(i) For θ = 30º | [A] Particle may be moving between B and A |
(ii) For θ = 120º | [B] Particle may be moving between C and B |
(iii) For θ = 90º | [C] Particle is at A |
(iv) For θ = 0º | [D] Particle is at B |
[E] None of these |
Correct Matrix Matching
Text Solution
Verified by ExpertsThe correct answer is:
A
When the pendulum is at an angle \( \theta = 30^\circ \), the bob is moving downwards between points A and B.
When \( \theta = 120^\circ \), the bob is moving upwards between points C and B.
At \( \theta = 90^\circ \), the bob is at the highest point A.
At \( \theta = 0^\circ \), it reaches the lowest point B. Thus, the correct matching is:
(i) A, (ii) B, (iii) C, (iv) D.
When \( \theta = 120^\circ \), the bob is moving upwards between points C and B.
At \( \theta = 90^\circ \), the bob is at the highest point A.
At \( \theta = 0^\circ \), it reaches the lowest point B. Thus, the correct matching is:
(i) A, (ii) B, (iii) C, (iv) D.
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