Take Route 20 South (Scottsville Road); Turn right onto Route 712 (Plank Road); Turn left onto Route 715 (Esmont Road); Turn left onto Route 627 (Porters Road); Turn right onto Simpson Drive (Park Entrance).
Rating Newest Oldest. Best Answer: The main simple machine in a catapult is a lever. The lever is the arm of the catapult. Also if there are wheels on the bottom of the catapult to move it that too is a simple machine. If there are screws used to construct the catapult there is another simple machine.And lastly if there is a pulley system to pull the lever arm back to arm the catapult that is also a simple machine.Source(s):BMM Â· 6 years ago.f there are screws used to construct the catapult there is another simple machine. And lastly if there is a pulley system to pull the lever arm back to arm the catapult that is also a simple machine. Source(s): BMM Â· 6 years ago.
Answer by Thecynic. Confidence votes 37. Most people think it was the Greeks, but actually it was centuries before them that the catapult and the rapid fire arrow machines were invented by King Uzziah.