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Physics - Rotation Question with Solution | TestHub

PhysicsRotationTorque / angular accelerationMedium2 minPYQ_2018

PhysicsMediumsingle choice

A force of $40 N$ acts on a point $B$ at the end of an L-shaped object as shown in the figure. The angle $θ$ that will produce the maximum moment of the force about point $A$ is given by:

Question diagram: A force of 40 N acts on a point B at the end of an L-shaped

Options:

Answer:

C

Solution:

Moment of force will be maximum when the line of action of force is perpendicular to line $A B$ , $\tan θ = \frac{2}{4} = \frac{1}{2}$ .

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

⏱ 2mℹ️ Source: PYQ_2018

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