'(<a href="http://www.j-archive.com/media/2009-06-15_DJ_29.wmv">Kelly of the Clue Crew chops carrots.</a>)  A knife, which is two sloping surfaces tapering to a point to split things open, is an example of this simple machine'
a wedge
AROUND THE HOUSE WITH SIMPLE MACHINES: A knife, which is two sloping surfaces tapering to a point to split things open, is an example of this simple machine
A knife, which is two sloping surfaces tapering to a point to split things open, is an example of this simple machine
A knife, which is two sloping surfaces tapering to a point to split things open, is an example of this simple machine
AROUND THE HOUSE WITH SIMPLE MACHINES
a wedge
AROUND THE HOUSE WITH SIMPLE MACHINES