APFIVE Rotational Inertia of a Hoop and Bead
A thin hoop of mass M and radius R has a small bead of mass m attached at one point on its rim. What is the rotational inertia of this system about an axis through the center of the hoop and perpendicular to its plane?
A
MR² + mR²
B
(M+m)R²
C
MR² + m(2R)²
D
MR² + 2mR²
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