Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousMedium3 minQB

PhysicsMediummultiple choice

A T-shaped rod is hinged at its corner as shown and is free to rotate in a vertical plane. Each uniform rod has mass m and length ℓ.

T-shaped rod hinged at corner

Answer:

A, B, C

Solution:

The combined centre of mass lies along the direction with $tan θ = 2$ , so $θ = tan^{- 1} 2 \approx 5 3^{\circ}$ .

Adding the two rod moments about the hinge gives $I = 11 m ℓ^{2} /12$ .

Stream:JEESubject:PhysicsTopic:RotationSubtopic:Miscellaneous

⏱ 3mℹ️ Source: QB

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