Physics
Grade-9
Easy

Question

Friction does not depend upon the ____.

  1. Area of contact
  2. Speed of the moving object
  3. Both a and b
  4. None of the above

hintHint:

Friction is independent of the area of contact or speed of the moving object.

The correct answer is: Both a and b


    Friction does not depend upon the area of contact or speed of the moving object. (both a and b).
    • The friction depends on the roughness and smoothness of the surface.
    • It does not depend on the area of contact or speed of the moving object.
    • The friction on the rough surfaces will be more.

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