Sentences with phrase «first measured rod»

If they coincide at every point and in every direction, standard conditions prevail, and the first measuring rod is not subject to deformation in its length due to its particular physical composition.

Not exact matches

Select a measuring rod and construct a second measuring rod of a material differing from the first but otherwise identical; place the two rods together so that their endpoints coincide; and move the pair of rods about in the space - time continuum.