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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The maximum velocity (in $m s^{- 1}$ ) with which a car driver must traverse a flat curve of the radius of $150 m$ and the coefficient of friction $0.6$ , to avoid skidding is

Options:

Answer:

Solution:

Using the relation

$\frac{{m v}^{2}}{r} = μ R, R = m g$

$\frac{{m v}^{2}}{r} = μ m g ⟹ v^{2} = μ r g$

$v^{2} = 0.6 \times 150 \times 10$

$v = 30 {m s}^{- 1}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Circular MotionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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