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.
For the base model, the average paid price for a new 2017 Subaru WRX is trending $792 below the manufacturer's MSRP. There are eight available 2017 Subaru WRX trim lines. The average savings for the 2017 Subaru WRX Manual is 2.87% below the MSRP.