Forces and Pressure
Introduction
Force
Effects of Force
Types of Force
Gravitational Force
Force of Gravity
Magnetic Force
Centrifugal Force
Centripetal Force
Electrostatic Force
Tensional Force
Frictional Force
Advantages of Friction
Disadvantages of Friction
Ways of Reducing Friction
Types of Friction
Fluid Friction (Viscocity)
Properties of Viscous Liquids
Applications of Viscosity
Experiment to Compare Viscosity of Two Liquids (Water and Engine Oil)
Surface Tension
Ways of Reducing Surface Tension
Evidence of Surface Tension
Cohesion
Adhesion
Why Water Wets Glass
Why Water has its Meniscus Curve Upwards
Why Mercury has its Meniscus Curve Downwards
Why Mercury Does Not Wet Glass
Capillarity
Example- Capillarity
Pressure
Explanation of Pressure Around Us
Pressure in Fluids
Characteristics of Pressure in Liquids
Experiment of Pressure in Liquid
Uses of Fluid Pressure
Summary
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Tensional Force
Tensional Force
It is the force produced when a stretched elastic object is released.
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