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 top of the line Max Trainer M5 price is normally $1,799, but for a limited time Bowflex has discounted the Max Trainer M5 price by $200, making it just $1,599. Bowflex has also discounted the Max Trainer M3 price by $200, bringing their entry level Max Trainer price under $1,000 at just $999.