Axis Rod
Find the moment of inertia of this V-shaped object about an axis perpendicular to the plane of the V at its ve
A thin uniform rod 50.0 cm long and with mass 0.320 kg is bent at its center into a V shape, with a 70 degree angle at its vertex. Find the moment of inertia of this V-shaped object about an axis perpendicular to the plane of the V at its vertex.
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Each arm of V is 0.25 m long. each arm can be treated as a thin rod rotated about an axis passing through its end and perpendicular to its length
the angle between the arms of V does not matter
mass of each arm=m=0.320/2=0.160 kg
length of each arm=L=50.0/2=25 cm =0.25 m
moment of inertia of each arm of V=mL^2/3
moment of inertia of each arm of V=0.00333
moment of inertia of V=2*0.00333= 0.00666
moment of inertia of V is 0.00666 kgm^2
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