Physics - Rotation Question with Solution | TestHub

PhysicsRotationTorque / angular accelerationMedium2 minPYQ_2013

PhysicsMediumsingle choice

A uniform sphere of weight $W$ and radius $5 cm$ is being held by a string as shown in the figure. The tension in the string will be :

Answer:

Solution:

$PQ = OP^{2} + OQ^{2} = 1 3^{2} + 5^{2} = 12$ Tension in the string $T$ , so, $T cos θ = w$ $\Rightarrow T = \frac{w}{c o s θ} = \frac{13}{12} W$

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

⏱ 2mℹ️ Source: PYQ_2013

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