Lecture Demonstrations Laboratory

The Demonstrations Manual

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Surface Tension
Fluid Statics: Hydrostatic Pressure dependence on depth; Pascal's Vases; Hydraulic Press; Atmospheric Pressure I (air balloon); Atmospheric Pressure II (marshmallow man); Crush The Soda Can; Magdeburg Hemispheres; Pressure Gauges; Qualitative Pressure Gauge; Archimedes' Principle I; Archimedes' Principle II; Archimedes Principle III; Cartesian Diver; Buoyancy of Air; Weight of Air
Fluid Dynamics

Hydrostatic Pressure dependence on depth

Purpose:

To show that the pressure increases with depth below the liquid level.

Procedure:

The small disc is held onto the end of one of the vases by the string and then lowered into a large jar of water. The pressure holds the disc in place. Then water is added until the disc is free. Repeat the process with the other vases and note the level at which the added water frees the disc.

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Equipment:

Constant Level Tubes