An Irregularly Shaped Object Is Attached to an Axle So

question 42

Multiple Choice

An irregularly shaped object is attached to an axle so that it may be spun. If a torque of 250 N·m must be applied for 1.25 s in order to give it a rotation period of 0.10 s, what is its moment of inertia?

• A) 5.0 kg m²
• B) 31 kg m²
• C) 4.0 kg m²
• D) 25 kg m²

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