Thursday, 12 February 2015

FORM 4: 2.12 UNDERSTANDING ELASTICITY

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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