THE MEANING OF ELASTICITY
Elasticity is the property of a material that enables it to return to
its original shape and size when the force that was acting on it is removed.
The elasticity of solids is due to the strong intermolecular forces
between the molecules of the solid.
HOOKE’S LAW
Hooke’s law states that the extension of a spring is directly
proportional to the applied force provided that the elastic limit is not
exceeded.
The elastic limit of a
spring is defined as the maximum force that can be applied to a spring such
that the spring will be able to be restored to its original length even though
the force not longer acts on it.
ELASTIC POTENTIAL ENERGY
Elastic potential energy is the energy stored in a spring when it is
extended or compressed.
FACTORS THAT AFFECT ELASTICITY
1. Length of spring
Longer
spring is more elastic.
2. Diameter of spring
Larger
diameter is more elastic.
3. Diameter of spring wire
Smaller
diameter of spring wire is more elastic.
4. Types of materials
The
elasticity changes with the type of materials.
5. Arrangement of springs
System of
springs is more elastic if the springs are arranged in series.
APPLICATIONS OF ELASTICITY
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