A solid uniform disk of mass and radius spins about an axis perpendicular to the disk…

PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics

Problem

A solid uniform disk of mass

M

and radius

R

spins about an axis perpendicular to the disk and through its rim. What is the rotational inertia of the disk about this rim axis? (a)

\dfrac{3}{4}MR^{2}

(b)

\dfrac{1}{2}MR^{2}

(c)

\dfrac{3}{2}MR^{2}

(d)

\dfrac{5}{2}MR^{2}