Answer
a) The heat goes from the cooling fluid to the air. There's no work.
b) The car engine transfers heat to cooling fluid. Deliver work to the transmission.
c) The wheels transfer heat to the air. There's no work.
d) The road receives heat from the wheels. There's no work.
e) The air receives the heat of all the hotter components of the car. The air receives the work of the car.
Work Step by Step
a) In the car's radiator the heat goes from the cooling fluid to the air. There's no work since it does not move.
b) The car engine transfers heat to cooling fluid and then with the radiator to the air. Also deliver work to the transmission.
c) The wheels that tend to be warm transfer heat to the air. There's no work produced by them cause they moves at constant velocity.
d) The road receives heat from the wheels cause the wheels tends to be a little more warm than the road. There's no work produce by the road since it can not move.
e) The air receives the heat of all the hotter components of the car. The air receives the work of the car since it passes though it.
