NEET Physics · Hard

Motion in a Plane: Advanced Circular Motion MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Advanced Circular MotionHardQuestion 5335

Question

Condition for a vehicle not to skid on curved road of radius r with friction coefficient μ is:
  1. A
    v ≤ √(μrg)
    Correct
  2. B
    v ≥ √(μrg)
  3. C
    v ≤ μrg
  4. D
    v ≤ √(rg/μ)

Correct answer

v ≤ √(μrg)

Explanation

For circular motion: μmg ≥ mv²/r → v² ≤ μrg → v ≤ √(μrg).