Degrees of Freedom 1
Degrees of Freedom 1 : (1) (Phys) The set of possible modes of motion of a rigid body, consisting of three linear and three angular directions. (2) (Chem) The number of independent variables required to specify the instantaneous position of a body. Note: A diatomic molecule has seven degrees of freedom: the three given for rigid bodies, plus the one in which the atoms move toward and away from each other. A system of three dimensionless particles has nine degrees of freedom. A nonrigid body may have an infinite number. (3) (Statist; Abb: df) The number of observations, scores, or trials minus the number of restrictions placed on them
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