Roller with Hooks on the Side and Large Spring Scales
Roller with Hooks on the Side and Large Spring Scales

 

Code Number: 1K20.42

Demo Title: Rolling and Sliding Friction

Condition: Good

Principle: Coefficient of Static and Kinetic Friction

Area of Study: Mechanics

Equipment: 

Roller with Hooks on the Side and Ends and Large Spring Scales.

Procedure:

Hook a spring scale onto the roller and show that 2 1/2 - 3 Newtons of force is needed to roll the heavy cylinder.  Then hook the spring scale to the end eye hook and show that upwards to 50 Newtons is needed to slide the cylinder.

References:

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