Pre/Post Test Unit 9

 

  1. Friction is a ______ force.
    1. Applied
    2. Constant
    3. Linear
    4. Reaction
  2. What type of friction is the force between two moving surfaces?
    1. Static
    2. Dynamic
    3. Kinematic
    4. Kinetic
  3. What term is used to describe the grippyness of two surfaces sliding against each other?
    1. Static Friction
    2. Dynamic Friction
    3. Coefficient of Friction
    4. Normal Friction
  4. The ________ force is always perpendicular to the two sliding surfaces.
    1. Friction
    2. Normal
    3. Gravitational
    4. Traction
  5. _______ is the amount of force a wheel can apply to a surface before it slips.
    1. Normal Force
    2. Applied Force
    3. Traction
    4.  Torque
  6. One way to increase traction is to ________.
    1. Increase the weight
    2. Decrease the weight
    3. Increase the torque
    4. Decrease the torque
  7. Another name for a skid steer drivetrain is _______.
    1. Arcade
    2. Tank
    3. Swerve
    4. Omni-directional
  8. What kind of drivetrain can move in any direction by steering its wheels?
    1. Tank
    2. Arcade
    3. Swerve
    4. Omni-directional
  9. What kind of drivetrain design is best for turning?
    1. Short and Wide
    2. Long and Narrow
    3. Short and Narrow
    4. Long and Wide
  10. How do you calculate the Circumference of a wheel?
    1. Radius/2 x Pi
    2. Diameter x 2 x Pi
    3. Radius x Pi
    4. Diameter x Pi 

 

See this knowledgebase article for the answers to this test.