The stress across a surface element (yellow disk) is the force that the material on one side (top ball) exerts on the material on the other side (bottom ball), divided by the area of the surface.
Overview. The WR450F retails for $8,290, making it the sixth-most expensive 450cc 4-stroke enduro bike of 2013. It comes equipped with a 449cc engine, which is slightly larger than average for a 4-stroke motor.he WR450F retails for $8,290, making it the sixth-most expensive 450cc 4-stroke enduro bike of 2013.
The price of a Ford Mustang depends if it's a coups of convertable. A coupe cost about $54, 000 to $55, 000 but a convertable cost from $58, 000 to $60, 000. The price d â¦ epends on the model. The better and newer the model, the more the price.