Physics · Mechanics

Which of the following statements is false regarding friction?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1For a perfectly smooth body, the coefficient of friction is zero.
2When two rough bodies are in contact and just on the verge of sliding, the force of friction produced is called dynamic friction.✓
3For perfectly rough bodies, the coefficient of friction can be considered as equal to one.
4Coefficient of friction is equal to the tangent of the angle of friction.

Correct answer

When two rough bodies are in contact and just on the verge of sliding, the force of friction produced is called dynamic friction.

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