The two types of stress are: 1. Normal stress, and 2. Tangential stress
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What is tensile stress?
When a body is stretched by two equal forces applied normal to its cross-sectional area, the dimension of the body is increased.The restoring force per unit area in this case is called tensile stress.
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What is elasticity?
The property of a body, by virtue of which it tends to regain its original size and shape when the applied force is removed, is known as elasticity.