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JEE PYQ: Rotational Motion Question 16

Question 16 - 2021 (26 Feb Shift 1)

Four identical solid spheres each of mass ‘$m$’ and radius ‘$a$’ are placed with their centres on the four corners of a square of side ‘$b$’. The moment of inertia of the system about one side of square where the axis of rotation is parallel to the plane of the square is:

(1) $\frac{4}{5}ma^2$

(2) $\frac{8}{5}ma^2 + mb^2$

(3) $\frac{4}{5}ma^2 + 2mb^2$

(4) $\frac{8}{5}ma^2 + 2mb^2$

Show Answer

Answer: (4)


Learning Progress: Step 16 of 70 in this series