elasticity of rubber - mocomi kids
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The Elasticity Of Rubber
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The Elasticity Of Rubber
Elasticity is the ability of a material to return to its origi-nal shape after it has been stretched. The force that you apply to the material is known as stress. There is a limit to the amount of stress one can apply to a material before it reaches its 'elastic limit' and deform irreversibly.
Materials like rubber have a high elasticity. This is because it is made up of millions of long and bendable chains of molecules. You can apply stress on these chains in any direction but they will always return to their original shape. Ever wonder what holds your underpants up or why a rubber band stretches so much?
Elacticity
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Rubber can be harvested from the rubber tree by making an incision in the bark and collecting the white sap that oozes out. This liquid is known as latex and is completely natural. Am-monia is added to natural latex to keep it from hardening before it goes through a chemical process to enhance its strength and durability. It is then distributed to different factories to make rubber bands, balls, elastic, and many things you use on the daily.
The Elasticity Of Rubber
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