all about levers mason
TRANSCRIPT
Whenever you pick up anything heavy your arm bone acts as the lever itself.
By about 200 BC scientists like Archimedes were beginning to figure out why levers worked.
A screw is a lever.
TRANSCRIPT
Whenever you pick up anything heavy your arm bone acts as the lever itself.
By about 200 BC scientists like Archimedes were beginning to figure out why levers worked.
A screw is a lever.