USING A WEDGE TO CREATE OPENINGS IN BJJ
If you have to move a heavy object, you can use a simple machine to make your job easier. One of the oldest simple machines is the inclined plane.
A wheel chair ramp is an example of an inclined plane. If youÃƒÂ¢Ã¢â€šÂ¬Ã¢â€žÂ¢ve ever been in a wheelchair and tried to get inside a building without a ramp you know how helpful an inclined plane can be. The longer an inclined plane is, the more mechanical advantage that it provides. This means that if you have to go up 5 feet in height, a ramp that is 30ÃƒÂ¢Ã¢â€šÂ¬Ã¢â€žÂ¢ long will be easier to use than a ramp that is 10ÃƒÂ¢Ã¢â€šÂ¬Ã¢â€žÂ¢ long. ... MORE >