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Structures (Forces in the nature (Pressures of gases (descarga),…
Structures
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Types of stresess
Bending
Forces try to bend a body. This stress acts on elements that are suppported at their extremities and have a weight applied to them. Normally there are two forces that are separated by a certain distance and a third force acting in the opposite direction.
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Comprension
Forces try to flatten or compress a body. Opposing forces moved inwards towards one another along the same trajectory and in opposite directions. The body tends to lose its shape and becomes compressed.
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Traction
Forces try to stretch the object they are acting upon. Opossing forces move outwards away from the body along the same trajectory but in opposite directions. The body tends to bbecome longer.
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Internal tension is called stresess. It happens to all bodies subjected to the applying of one of more forces on them.
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Shear or cutting
The forces act like two scissor blades: they are very close together; moving in opposite directions, as they try to cut an object.This stress is the same when we put an object over the edge of a table and hit it to try and break it. This is also called tensile stress.
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A force is anything that can deform a body (static effect) or change its
state (, state of movement or rest (dynamic effect).
