Intepretation of question only

1. The problem statement, all variables and given/known data

Three equal masses m are located at the vertices of an equilateral triangle of side L, connected by rods of negligible mass. Find expressions for the rotational inertia of this object (a) about an axis through the center of the triangle and perpendicular to its plane and (b) about an axis that passes through one vertex and the midpoint of the opposite side.

3. The attempt at a solution

I’m facing only issue with intepreting part(b). What does it mean for an axis that passes through one vertex and midpoint of the opposite side? How can it both be 2 place at once?

http://ift.tt/1gfv57F

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