Given-
Power, P = 800W
Thickness, L = 0.6cm
Area, A = 160cm²
Thermal conductivity, k = 60W/mK
The heat conduction would be

Except
all the values are 0.
Therefore,

Thus, the boundary conditions here would be
1. 
2. 
Answer:
Set the direction of the car. ...
Provide stability to the car while running. ...
Prevents vibrations from reaching the steering wheel. ...
Minimize tire wear. ...
Provides a straightening effect to the front wheels.