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When a material deforms, it does so in several stages. The first stage, called the elastic region of deformation, is linear in nature and not permanent. A stress can be applied, and once it's removed, the material will regain all of the deformation. The second stage, plastic deformation, is permanent. A material that has been stressed into the plastic region will regain the elastic deformation, but will permanently maintain the plastic.
The proportional strength is the point at which plastic deformation begins.
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What are square numbers used for?
There are many physical phenomena which depend on squares. For example, the strength of gravitational or magnetic attraction between two bodies is inversely proportional to the square of the distance between them.
Are speed and distance directly proportional or inversely proportional?
Directly proportional. Greater speed - greater distance.
If two quantities are (proportional nonproportional) they have a constant ratio.?
The answer is proportional.
How do you know if something is proportional?
if somthing is proportional is will either be Multiplying or Diving
What makes two quantities proportional?
Any two non-zero quantities are always proportional. If the two quantities are X and Y, they are proportional to X/Y.
