Final answer:
The fan belt is part of the cooling system of an automobile, transferring power from the engine to various accessories like the water pump which is essential for maintaining the engine's temperature.
Step-by-step explanation:
A fan belt is a component of an automobile that belongs to the cooling system. The purpose of the fan belt, also known as the drive belt or serpentine belt, is to transfer power from the engine's rotating crankshaft to various accessories mounted on the engine.
These accessories can include the alternator, power steering pump, air conditioning compressor, and most importantly for the cooling system, the water pump. The water pump circulates coolant throughout the engine to maintain the optimal operating temperature. Hence, the correct answer to which system of an automobile the fan belt is a part of is A. Cooling.
A fan belt is part of the cooling system of an automobile. The cooling system is responsible for regulating the engine temperature and preventing overheating. The fan belt connects the engine's cooling fan to the crankshaft, allowing it to rotate and cool the engine.