PHYSICS   LECTURE   DEMONSTRATIONS

M-F8   :   Adhesion Disk

UNIT: Liquid surface
 
PURPOSE: Illustrate the strength of the cohesive force
 
EQUIPMENT:
1. Adhesion disk with harness
2. Small glass container
3. Sensitive spring scale
SUGGESTIONS:
1. Try with water
2. Try with another liquid (e.g. cooking oil) In each case measure the force required to extract the disk from the water
DISCUSSION: Adhesion Disc
 

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