| − | A '''wedge''' is a [[simple machine]] used to increase the ease of splitting and object, particularly [[wood]], into two parts. The mechanical advantage of a wedge is equal to the length of its slope divided by the thickness of its widest part.<ref>http://www.cosi.org/files/Flash/simpMach/sm1.swf</ref> | + | A '''wedge''' is a [[simple machine]] used to increase the ease of splitting an object, particularly [[wood]], into two parts. The mechanical advantage of a wedge is equal to the length of its slope divided by the thickness of its widest part.<ref>http://www.cosi.org/files/Flash/simpMach/sm1.swf</ref> |