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Physics - Rotation Question with Solution | TestHub

PhysicsRotationTorque / angular accelerationMedium2 minPYQ_2012

PhysicsMediumsingle choice

$A BC$ is an equilateral triangle with $O$ as its centre. $F_{1}, F_{2}$ and $F_{3}$ represent three forces acting along the sides $A B, BC$ and $A C$ respectively. If the total torque about $O$ is zero then the magnitude of $F_{3}$ is
NEET 2012 (Screening)

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Answer:

Solution:

If we take clockwise torque $τ 0 F_{3} = τ_{F_{1}} + τ_{F_{2}} + τ_{F_{3}} = F_{1} r + F_{2} r + F_{3} r = F_{1} + F_{2}$

Stream:NEETSubject:PhysicsTopic:RotationSubtopic:Torque / angular acceleration

⏱ 2mℹ️ Source: PYQ_2012

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