A Wheel (Radius = 12 Cm)is Mounted on a Frictionless,horizontal

question 83

Multiple Choice

A wheel (radius = 12 cm) is mounted on a frictionless,horizontal axle that is perpendicular to the wheel and passes through the center of mass of the wheel.A light cord wrapped around the wheel supports a 0.40-kg object.If released from rest with the string taut,the object is observed to fall with a downward acceleration of 3.0 m/s².What is the moment of inertia (of the wheel) about the given axle?

• A)0.023 kg.m²
• B)0.013 kg.m²
• C)0.020 kg.m²
• D)0.016 kg.m²
• E)0.035 kg.m²

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