Fluid at Rest and in Motion

Physics SSS1 Third Term


Fluid at Rest and in Motion

Performance Objectives

Students should be able to:

  1. Define Surface Tension, its effects and application
  2. Explain capillary, cohesion, Adhesion, Viscosity
  3. Define Terminal velocity and list applications of viscosity


We observe many things in our day-to-day life. The surface Tension Phenomenon is one among them.   Often we confuse the Phenomena of Surface tension with Buoyancy. Both the phenomena are entirely different to each other in the sense, in Buoyancy a portion of the body gets dipped in the liquid whereas in Surface tension the body will be remaining on the layer of water without getting wet.
Let us observe these leaves on the surface of the water. We could see them moving in the water without getting wet.

For these leaves to be on the.... View More

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