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![[Post New]](/templates/default/images/icon_minipost_new.gif) 24 Feb 2007 12:17:41 IST
Accepted Answer [?]
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It is a relation which puts some constraint/limitations on the body due to which its one (or more) degree of freedom is ceased or some limitation to move is imposed on the body.
For example I say a body is constrained to move on x-y plane.
In this case some constraint or force is actin g on the body which is preventing it from moving along z-axis, thus the body is confined to x-y plane only, the force of constrained here may be gravitational force or some other force.
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The Scientist does not study nature because it is useful; he studies it because he delights in it, & he delights in it because it is beautiful. If nature were not beautiful, it would not be worth knowing, life would not be worth living. Ofcourse I do not here speak of that beauty that strikes the senses, the beauty of qualities & appearances; not that I undervalue such beauty, far from it, but it has nothing to do with science; I mean that profounder beauty which comes from the harmoniuos order of the parts, & which a pure intelligence can grasp. |
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