Examlex
The first step of the scientific method is to formulate hypotheses.
Reciprocating Motion
A type of mechanical motion where an object moves back and forth along a straight path, common in pistons and pumps.
Linear Motion
Motion in a straight line and in one direction, characterized by a constant velocity unless acted upon by external forces.
Pitch Diameter
A critical dimension in thread measurement; it's the diameter of the imaginary cylinder where the thread depth equals half the pitch.
Pitch Diameter
The effective diameter of a screw thread, roughly midway between the major and minor diameters.
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