A cardboard strip, bent in the shape of the letter C , is put on a rough inclined plane, as shown in the figure. If $α$ is maximum angle for which body does not topple then find the value of $9 tan^{2} α$ ? (Assume that it does not slide).

Question

TestHub · Accepted Answer

Torque = 0 about axis BC mg sin α 2 ℓ ​ = mg cos α 3 ℓ ​ tan α = 3 2 ​

Physics - Rotation Question with Solution | TestHub

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JEE Advanced (2028)