four-masses-of-300-g-each-are-attached-to-each-other-in-the-shape-of-a-square-as

Question

Four spheres of masses of 300 g each are attached to each other in the shape of a square as depicted in the figure below. Consider an axis passing through the centre of the square. Determine the moment of inertia of the square about this axis.

Diagram of four green spheres forming a square with a red axis at the center, illustrating moment of inertia.

Accepted Answer

0.15 kg•m²

Answer

0.42 kg•m²

Answer

0.11 kg•m²

Answer

0.18 kg•m²