It relates forces with velocities acting on a mechanical system. Kinematic constraints are constraints on the movement of components of a mechanical system. He introduced the concept of "phase of a mechanical system". Some loads are specified as part of the design criteria of a mechanical system. A PESA can scan a volume of space much quicker than a traditional mechanical system. Let "A" be an observable of a quantum mechanical system. A mechanism is usually a piece of a larger process or mechanical system. Similarly, let "A" be an observable of a quantum mechanical system. Consider an "n"-level quantum mechanical system. Baird demonstrated his mechanical system for Farnsworth. The glass panes are cleaned by a specially designed mechanical system. A state of a quantum mechanical system can be identified with a linear functional. The transmission alone weighed 2.4 tonnes, 1.5 tonnes heavier than a traditional mechanical system. A kinematic diagram is a schematic of the mechanical system that shows the kinematic chain. The "mechanism" of a mechanical system is assembled from components called "machine elements".