An massless equilateral triangle EFG of side 'a' (As shown in figure) has three particles of mass $m$ situated at its vertices. The moment of inertia of the system about the line EX perpendicular to EG in the plane of EFG is $\frac{N}{20} {ma}^{2}$ where $N$ is an integer. The value of $N$ is ___________ .

Question

Aicharya · Accepted Answer

I = m &#215; O 2 + ma 2 + m a 2 2 = 5 4 ma 2 = 25 20 ma 2 N = 25

An massless equilateral triangle EFG of side 'a' (As shown in figure) has three particles of mass m…

Solution

An massless equilateral triangle EFG of side &#39;a&#39; (As shown in figure) has three particles of mass m…

Solution

An massless equilateral triangle EFG of side 'a' (As shown in figure) has three particles of mass m…