Physics Practice Problems Moment of Inertia of Systems Practice Problems Solution: The figure below depicts a thin rod of length 2 m ...

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# Solution: The figure below depicts a thin rod of length 2 m and having a mass of 1000 g with three small spheres attached that have a mass of 200 g each. What is the moment of inertia for this object rotating about an axis perpendicular to the rod at its end? (The middle sphere is at the center of the rod.) A. 20 kg m2 B. 30/23 kg m2  C. 3√2 kg m2 D. 11/15 kg m2 E. 7/3 kg m2

###### Problem

The figure below depicts a thin rod of length 2 m and having a mass of 1000 g with three small spheres attached that have a mass of 200 g each. What is the moment of inertia for this object rotating about an axis perpendicular to the rod at its end? (The middle sphere is at the center of the rod.)

A. 20 kg m2

B. 30/23 kg m2

C. 3√2 kg m2

D. 11/15 kg m2

E. 7/3 kg m2 