Stress- the ratio of the force acting on a material divided by the cross section area through which the force is carried
Tensile Strength- the measure of how much thrust in pulling, or tension, a material can withstand before breaking
Elasticity- the ability of a solid to be streched and return to its original position 
Brittleness- the tendancy of a solid to crack or break when a force is applied
Bending- curving of an object to create tension and compression
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