Creative Commons License Copyright © Michael Richmond. This work is licensed under a Creative Commons License.

Quiz on Friction

Question 1: If two surfaces are sliding against each other, one must use the

  1. coefficient of static friction
  2. coefficient of kinetic friction 

    Answer:  b.

Question 2: Friction acts

  1. perpendicular
  2. parallel
to the plane of contact. 

    Answer:  b.  Normal forces act perpendicular to the plane of contact

Question 3: Which is usually larger?

  1. coefficient of static friction
  2. coefficient of kinetic friction 

    Answer:  a.

This page maintained by Michael Richmond. Last modified Jan 29, 2002.

Creative Commons License Copyright © Michael Richmond. This work is licensed under a Creative Commons License.