Answer:
1. Car Towing
While towing a car, a vehicle makes use of a taut chain that transfers the tension force to the attached vehicle. In order to maximize the power transfer, the chains and the wires used in the towing mechanism have zero mass. The engine of the towing vehicle supplies energy to an arrangement of chain and pulley. This energy is then coupled to the vehicle that is to be towed, thereby allowing the operator to tow the vehicle
