Cable spreading room at Point Tupper. In the electrical wiring of buildings, a cable tray system is used to support insulated electric cables used for power distribution and communication. Cable trays are used as an alternative to open wiring or electrical conduit systems, and are commonly used for cable management in commercial and industrial construction.
Static friction must be overcome. Once a force has been applied that starts the object in motion, the force of kinetic friction is less than its static counterpart. 1 person found this useful. Edit.
What is kinetic friction? Kinetic friction is the force that opposes relative motion between  surfaces in contact. It is friction applied to a moving object.  This is the opposite of static friction,â¦ which applies to a  non-moving object. a form of friction that opposes the motion of a moving object.