You are a project manager for a manufacturing company. One of the machine parts

Question

You are a project manager for a manufacturing company. One of the machine parts on the assembly line is a thin, uniform rod that is

60.0 cm long and has mass 0.400 kg .

Part A

What is the moment of inertia of this rod for an axis at its center, perpendicular to the rod?

Express your answer with the appropriate units.

Part B

One of your engineers has proposed to reduce the moment of inertia by bending the rod at its center into a V-shape, with a 60.0 angle at its vertex. What would be the moment of inertia of this bent rod about an axis perpendicular to the plane of the V at its vertex?

Express your answer with the appropriate units.

Explanation / Answer

I=M*L2/12

=(0.400*60/100*60/100)/12

=0.0120kgm2

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