Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

Three identical rods each of mass $M$ , length $l$ are joined to form an equilateral $Δ A B C$ . Find the Moment of Inertia about $B C$ as shown.

Answer:

Solution:

$I = I_{1} + I_{2} + I_{3} = \frac{M (l \sin 60 °)^{2}}{3} + \frac{M (l \sin 60 °)^{2}}{3} + 0 = \frac{M l^{2}}{2}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:RotationSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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