Three Identical Balls Are Tied by Light Strings to the Same

question 54

Multiple Choice

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

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