Long skateboard platform
 Air track with cars

 

Code Number: 1K20.90

Demo Title: Air Track/Platform Friction

Condition: Excellent

Principle: Friction and Reduced Friction

Area of Study: Mechanics

Equipment: 

Long skateboard platform, Air track with cars.

Procedure:

Show the effect of reduced friction on movement.

References:

  • Janice VanCleave, "Find Ways to Reduce Friction", Super Science Challenges, p. 115.
  • Hans Pfister, "KINESTHESIA-1", Instruction Manual and Experiment Guide for the SE-8747.
  • Julius Sumner Miller, Q117 & A117, Millergrams II – Some More Enchanting Questions for Enquiring Minds, p. 13 & 77.
  • Julius Sumner Miller, Q133 & A133, Millergrams II – Some More Enchanting Questions for Enquiring Minds, p. 21 & 83.
1K20.90 - Dr. James Wetzel, PHYS 1611 - Friction is an External Force