The moment of inertia of a thin disc of mass m and radius r, about an – McqOptions

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1.	The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is
A.	mr²/2
B.	mr²/4
C.	mr²/6
D.	mr²/8
Answer» B. mr²/4

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