Three Identical Balls, with Masses of M, 2M, and 3M

question 61

Multiple Choice

Three identical balls, with masses of M, 2M, and 3M are fastened to a massless rod of length L as shown. The rotational inertia about the left end of the rod is:

• A) ML²/2
• B) ML²
• C) 3ML²/2
• D) 6ML²
• E) 3ML^2/4

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