Multiple choice general knowledge culture

Which is the strongest friction?

  1. static

  2. sliding

  3. rolling

  4. fluid

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Static friction is the strongest type because it must be overcome to start motion between stationary surfaces. Once moving, sliding friction (kinetic) is always less than static friction. Rolling friction is weaker than sliding, and fluid drag depends on velocity.