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Question 30207
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Laws of Motion and Friction: Kinetic Friction MCQ

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Kinetic FrictionEasyQuestion 30207

Question

Kinetic friction acts:
  1. A
    Only when surfaces are stationary
  2. B
    When surfaces are sliding relative to each other
    Correct
  3. C
    In the direction of motion
  4. D
    Equal in all directions

Correct answer

When surfaces are sliding relative to each other

Explanation

Kinetic (sliding) friction acts when there is relative motion between surfaces, always opposing that relative motion.

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