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in Physics by (24.0k points)

Side of an equilateral triangle is l. Three point masses, each of magnitude m, are placed at the three vertices of the triangle. Moment of inertia of this system about one side of the triangle as axis is given by

(a) (3/4)ml2

(b) (4/3)ml2

(c) (3/2)ml2

(d) (2/3)ml2

1 Answer

+1 vote
by (34.3k points)
selected by
 
Best answer

Correct option (a) (3/4)ml2

Explanation :

Distance of corner mass from opposite side = r

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