When ever some external system of forces acts on a body

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When ever some external system of forces acts on a body
« on: June 22, 2015, 10:33:50 AM »
Question: When ever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to deformation. This resistance per unit area to deformation is called..................?

Options are:

(a). Strain
(b). Stress
(c). Pressure
(d). Modulus of elasticity


Answer is:

(b). Stress