A Wheel (Radius = 0

question 15

Multiple Choice

A wheel (radius = 0.20 m) is mounted on a frictionless, horizontal axis. A light cord wrapped around the wheel supports a 0.50-kg object, as shown in the figure. When released from rest the object falls with a downward acceleration of 5.0 m/s². What is the moment of inertia of the wheel?

• A) 0.023 kg⋅m²
• B) 0.027 kg⋅m²
• C) 0.016 kg⋅m²
• D) 0.019 kg⋅m²
• E) 0.032 kg⋅m²

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