5- Verify that the change in radius of a thin-walled spherical pressure vessel when subjected to internal pressure p is pr2 Ar=2Et (1-v) where E is Young's modulus, Vis Poisson's ratio, r is the sphere radius, and t is the wall thickness.

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Dependence on mechanical properties

The mechanical properties of materials are those structures that include the reaction to the load used. Metal switching features determine the scope of the usefulness of the content and establish the expected service life. Machine structures are also used to help distinguish and identify material objects. The most common mechanical properties considered are strength, ductility, stiffness, impact resistance, and resilience to fractures.