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Question 30236
JEE Physics · Medium

Laws of Motion and Friction: Friction — Rolling vs Sliding MCQ

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Friction — Rolling vs SlidingMediumQuestion 30236

Question

Rolling friction is generally _____ than sliding friction for the same object:
  1. A
    Greater
  2. B
    Much less
    Correct
  3. C
    Equal
  4. D
    Depends on speed

Correct answer

Much less

Explanation

Rolling friction arises from deformation at the contact point and is much smaller than sliding kinetic friction, which is why wheels are used.

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