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.
Replacement OEM HID Bulbs for 2004-2005 Subaru WRX STi (pair) $40.00. Rear Turn Signal LEDs for 2004-2017 Subaru WRX STi (pair) 2 Review(s) $40.00. 2015-2017 Subaru WRX / STi Tail as Turnâ¢ +Backup Module (pair) 36 Review(s) As low as: $40.00.