Final answer:
Stress in materials and structures is the force per unit area that causes deformation; tensile strength is the maximum stress a material can bear before breaking.
Explanation:
Stress is a quantity that describes the magnitude of forces that cause deformation in a material or structure. It is defined as force per unit area, with types like tensile, compressive, bulk, and shear stress. Tensile strength is the maximum stress a material can withstand before breaking permanently.
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