please help.
factory produces cars -> cars are transported to vendor -> cars are driven
Does the above process produce a small or a large amount of heat? At which point in the process is heat produced?
Don't you think all of them produce heat.
how would i explain that?
Workers produce heat while making cars, friction of the motors, hydraulics, during manufacture. During transportation you know those large 18 wheelers produce heat both due to their movement but also from the combustion of their engines. Driving cars certainly produces heat from the friction of the tires on the highway but also from their engines. As far as large or small surely you can, just from personal experience, know how that works.
In order to determine whether the above process produces a small or large amount of heat and at which point in the process heat is produced, we need to consider a few factors.
Firstly, during the production of cars at the factory, there are various processes involved such as welding, painting, and assembly. Some of these processes, like welding, can generate heat due to the energy required to melt and join metal components. Additionally, the machinery and equipment used in car production can generate heat as well. Therefore, it is likely that heat is produced at the factory during the car manufacturing process.
Secondly, during the transportation of cars to the vendor, heat production depends on the mode of transportation. If the cars are transported by trucks, the combustion of fuel in the truck's engine can generate heat. However, if the cars are transported by other means such as trains or ships, the heat generated would be relatively small compared to the manufacturing process.
Finally, once the cars reach the vendor and are driven, heat is typically produced due to the operation of the car's engine. Combustion engines in cars produce heat through the combustion of fuel, which is a necessary process for the generation of power to propel the vehicle.
To summarize, it is reasonable to assume that the car production process generates a moderate amount of heat at the factory due to various manufacturing and assembly processes. During transportation, the amount of heat generated depends on the mode of transportation. Finally, once the cars reach the vendor and are driven, heat is continually produced as long as the engine is running.