A uniform rod of length is pivoted at one end and is free to rotate in a vertical plane
PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion
Problem
A uniform rod of length L is pivoted at one end and is free to rotate in a vertical plane. A 5N force is applied in four different cases:
• Case I: Perpendicular to the rod at its free end.
• Case II: Perpendicular to the rod at its midpoint.
• Case III: At 30∘ to the rod at its free end.
• Case IV: At 30∘ to the rod at its midpoint.
Which case results in the greatest magnitude of angular acceleration of the rod immediately after the force is applied?
(a) Case III
(b) Case I
(c) Case IV
(d) Case II