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23 Nov 2019
A stiff uniform wire of mass, Mo, and length, Lo, is cut, bent, andthe parts soldered together so that it forms a circular wheelhaving four identical spokes coming out from the center. None ofthe wire is wasted, and you can neglect the mass of thesolder.
What is the moment of inertia of this wheel about an axle throughits center perpendicular to the plane of the wheel?
If the wheel is given an initial spin with angular velocity, wo,and stops uniformly in time,T, what is the frictional torque at itsaxle?
A stiff uniform wire of mass, Mo, and length, Lo, is cut, bent, andthe parts soldered together so that it forms a circular wheelhaving four identical spokes coming out from the center. None ofthe wire is wasted, and you can neglect the mass of thesolder.
What is the moment of inertia of this wheel about an axle throughits center perpendicular to the plane of the wheel?
If the wheel is given an initial spin with angular velocity, wo,and stops uniformly in time,T, what is the frictional torque at itsaxle?
