C6 Friction

This section includes demonstrations on the nature and effects of friction.

• C6-01 INCLINED PLANE - FRICTION BOX AND WEIGHTS

Shows that the coefficient of friction does not depend upon the mass of the object although the frictional force does. Read More
• C6-02: INCLINED PLANE - FRICTION BLOCK

Demonstrates that the coefficient of static friction is greater than the coefficient of sliding friction, and determines the coefficient of Read More
• C6-03: INCLINED PLANE - FRICTION WITH THREE BLOCKS

Illustrate different coefficients of friction. Read More
• C6-04: FRICTION DIRECTION ON INCLINED PLANE

Determine the direction of the frictional force in a possibly ambiguous situation. Read More
• C6-05: AIR TRACK - INCLINED PLANE FRICTION

Show that the force of friction depends upon the conditions of the surfaces in contact. Read More
• C6-11: SLIDING FRICTION - LECTURE TABLE AND FELT

Show the effect on frictional force of velocity, normal force, and contact area. Read More
• C6-12: SKIDDING AUTOMOBILE

Demonstrate the effect of locked wheels on vehicle stability. Read More
• C6-13: FRICTION BETWEEN GLASS SURFACES

Demonstrate the increase of friction between two glass surfaces when lubricating surface films are removed. Read More
• C6-14: SOCIAL CLIMBER

Illustrate frictional forces in a weird way. Read More
• C6-15: SOCIAL DESCENDER - FRICTION TOY

Illustrate frictional forces in a weird way. Read More
• C6-16: SLIDING AND STATIC FRICTION

Show that the friction force depends linearly on the normal component of the applied force. Read More
• C6-17: FRICTION VS. PULLING ANGLE

Demonstrate how pulling angle affects the frictional force Read More
• C6-21: SUSPENDED ROD ON WATER

An elementary problem involving horizontal friction. Read More
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