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Structures (Forces (gravity, which pulls us towards the earth and gives us…
Structures
Forces
gravity, which pulls us towards the earth and gives us weight
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forces caused by the effects of heat, etc
A force is anythmg that can deform a body (static effect) or change its state of movement or rest (dynamic effect).
Stresses
Main types of stressed
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Bending
Forces try to bend a body. This stress acts on elements that are supported at their extremities and have a weight applied to them.
Compression
Forces try to flatten
or compress a body. Opposing forces move nwards towards one another along the same trajectory and in opposite directions
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Shear of cutting
The forces act hke two scissor blades. they are very close together, moving in opposite direcuons, as they try to cut an oblect .This stress is the same when we put an oblect over the edge of a table and hit n to try and break it This is also called tensile stress
This internal tension is called stress. It happens to all bodies subjected to
the applying of one or more forces on them
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