A description of the speed of movement of a disc or other circular object. Usually used with reference to wheels, disk drives, phonograph records or engines or similar things that spin.
Revolutions Per Minute (abbreviated rpm, RPM, r/min, or r·min−1) is a unit of frequency of rotation: the number of full rotations completed in one minute around a fixed axis. It is used as a measure of rotational speed of a mechanical component.
Log in or registerto write something here or to contact authors.
Need help? firstname.lastname@example.org