Eight point masses m that are held in a cubical array by rods of … - Vidyadip

MCQ

Eight point masses m that are held in a cubical array by rods of length 1 (whose masses are negligible). Find the moments of inertia of the system about the following axes:

A
An axis parallel to one face passing through the center of the cube;
B
An axis coinciding with one edge;
C
An axis passing through the centers of opposite edges of one face; and
D
An axis passing through diagonally opposite corners of one face.

✓

Answer

An axis passing through the centers of opposite edges of one face; and

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