Structures
A structure is a cololectiion of elements arranged in an optimum way to support a body or and object.
There exist four types of structures, mass strucrures, frame structures, truss structures and suspended structures.
Forces, Stresses and Strength.
A force is an influence that can deform a body or change its movement, or produce motion in a body at rest.
Stresses are the physical demands that a body or object must withstand when one or more external forces are applied to it.
The strength of a material is its ability to withstand external forces without breaking.
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