Quick practice
Question 1 of 5
A uniform, thin metal rod of mass m, length l, is held vertical (
), with its bottom point resting on a rough horizontal surface. At t = 0, it is slightly disturbed so that it starts to fall down. After some time the angle 
, at this moment the kinetic energy of the rod is 
, its angular velocity is 
, its angular acceleration is 
and its angular momentum (about origin) is 
, where A, B, C and D are dimensionless constants. If z axis is vertically up, x axis is horizontal, and rod doesn’t slip on the rough surface, then match the constant of the rod in column I with its value in column II.
(A) -> (Q); (B) -> (P); (C) -> (S); (D) -> (R)
(A) -> (P); (B) -> (Q); (C) -> (S); (D) -> (R)
(A) -> (Q); (B) -> (S); (C) -> (P); (D) -> (R)
(A) -> (Q); (B) -> (P); (C) -> (R); (D) -> (S)
Concepts
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