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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionDynamicsMedium2 minPYQ_2021
PhysicsMediumsingle choice

A modern grand-prix racing car of mass m is travelling on a flat track in a circular arc of radius R with a speed v. If the coefficient of static friction between the tyres and the track is μs, then the magnitude of negative lift FL acting downwards on the car is:

Question diagram: A modern grand-prix racing car of mass m is travelling on a

Options:

Answer:
B
Solution:

μsN=mv2R

N=mv2μsR=mg+FL

FL=mv2μsR-mg

Stream:JEESubject:PhysicsTopic:Circular MotionSubtopic:Dynamics
2mℹ️ Source: PYQ_2021

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