'(<a href="http://www.j-archive.com/media/2009-06-15_DJ_27.wmv">Kelly of the Clue Crew rolls a bowling ball.</a>)  The work required to lift a 16-pound bowling ball 12 inches is 16 foot-pounds; the force required is only 5.3 pounds using this simple machine to raise it to the same height'
a ramp (inclined plane)
AROUND THE HOUSE WITH SIMPLE MACHINES: The work required to lift a 16-pound bowling ball 12 inches is 16 foot-pounds; the force required is only 5.3 pounds using this simple machine to raise it to the same height
The work required to lift a 16-pound bowling ball 12 inches is 16 foot-pounds; the force required is only 5.3 pounds using this simple machine to raise it to the same height
The work required to lift a 16-pound bowling ball 12 inches is 16 foot-pounds; the force required is only 5.3 pounds using this simple machine to raise it to the same height
AROUND THE HOUSE WITH SIMPLE MACHINES
a ramp inclined plane
AROUND THE HOUSE WITH SIMPLE MACHINES