Three identical balls are tied by light strings to the same rod and rotate around it, as shown below. Rank the balls according to their rotational inertia, least to greatest.
A) 1, 2, 3
B) 3, 2, 1
C) 3, then 1 and 2 tie
D) 1, 3, 2
E) All are the same

Question

Three identical balls are tied by light strings to the same rod and rotate around it, as shown below. Rank the balls according to their rotational inertia, least to greatest. 
A) 1, 2, 3 
B) 3, 2, 1 
C) 3, then 1 and 2 tie 
D) 1, 3, 2 
E) All are the same

Quizplus · Accepted Answer

The Answer of Three identical balls are tied by light strings to the same rod and rotate around it, as shown below. Rank the balls according to their rotational inertia, least to greatest. 
A) 1, 2, 3 
B) 3, 2, 1 
C) 3, then 1 and 2 tie 
D) 1, 3, 2 
E) All are the same

Three Identical Balls Are Tied by Light Strings to the Same