'(<a href="http://www.j-archive.com/media/2008-03-21_DJ_16.wmv">Jon of the Clue Crew walks with crutches.</a>)  Crutches are an example of a simple lever; the tip of the crutch acts as this point on whcih a lever turns'
the fulcrum
EVERYDAY SCIENCE: Crutches are an example of a simple lever; the tip of the crutch acts as this point on whcih a lever turns
Crutches are an example of a simple lever; the tip of the crutch acts as this point on whcih a lever turns
Crutches are an example of a simple lever; the tip of the crutch acts as this point on whcih a lever turns
EVERYDAY SCIENCE
the fulcrum
EVERYDAY SCIENCE