Three particles, each of mass m gram, are situated at the vertices of an equilateral triangle ABC of side $l$ cm (as shown in the figure). The moment of inertia of the system about a line AX perpendicular to AB and in the plane of ABC, in gram-cm2 units will be

Question

Three particles, each of mass m gram, are situated at the vertices of an equilateral triangle ABC of side $l$ cm (as shown in the figure). The moment of inertia of the system about a line AX perpendicular to AB and in the plane of ABC, in gram-cm² units will be

${3 \over 4}$m$l$²

2m$l$²

${5 \over 4}$m$l$²

${3 \over 2}$m$l$²

Solution

Please login to view the detailed solution steps...

Go to DASH