Mathematics · Rotational Motion
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 the square as the axis of rotation (parallel to the plane of the square) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145ma2
- 285ma2 + 2mb2✓
- 345ma2 + 2mb2
- 485ma2 + mb2
Correct answer
85ma2 + 2mb2
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