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

question 16

Multiple Choice

Three balls, with masses of 3M, 2M, and M, 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) 3ML²

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