The term you are looking for is torsion.cscott said:
Gokul43201 said:
Twisting stress is a type of mechanical stress that occurs when a force is applied to an object in a twisting or rotational motion. This force causes the object to deform and experience tension and compression along its axis.
Twisting stress can cause materials to deform, bend, or break, depending on their strength and elasticity. Materials with low strength and high elasticity, such as rubber, are more likely to deform under twisting stress, while materials with high strength and low elasticity, such as steel, are more likely to resist twisting stress and maintain their shape.
Objects that experience twisting stress include shafts, gears, bolts, and other mechanical components that are subjected to rotational forces. Bridges, wind turbines, and other structures that are exposed to strong winds can also experience twisting stress.
Twisting stress is typically measured in units of force per unit area, such as pounds per square inch or newtons per square meter. This measurement is known as shear stress, which is the force per unit area that acts parallel to the surface of an object.
To prevent twisting stress, engineers can design objects and structures with appropriate materials and dimensions that can withstand the expected forces and loads. Additionally, proper maintenance and regular inspections can help identify and address any potential sources of twisting stress before they become a problem.