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NTA Abhyas JEE Main2020PhysicsLaws of MotionPractice

A road is banked at an angle of 30 ∘ to the horizontal for negotiating a curve of radius 1 0 3 m . At what velocity will a car experience no friction while negotiating the curve? Take g = 10 ms − 2

Options

  1. A54 km/hr
  2. B72 km/hr
  3. C36 km/hr
  4. D18 km/hr

Correct answer

C. 36 km/hr

Step-by-step solution

For negotiating curve without friction tan θ = V 2 rg V = rg tan θ = 10 m/s = 36 km/hr

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