Answer the following problems in detail.
problem 1) describe the effects of aerodynamic pitching moment on vehicle characteristics.
problem 2) Describe various kinds of drag forces.
problem 3) Describe in detail that how front end modifications help in the performance of a car?
problem 4) prepare a short note on resistance to vehicle motion.
problem 5) Describe in detail that how drag is reduced in commercial vehicle?
problem 6) Describe a wind tunnel with neat and well labelled sketch.
problem 7) Describe the effects of forces and moments on vehicle and how it is computed.
problem 8) prepare a detailed note on dirt accumulation on the vehicle.