'This one of the 6 simple machines consists of a bar resting on a fulcrum'
lever
SCIENCE CLASS: This one of the 6 simple machines consists of a bar resting on a fulcrum
This one of the 6 simple machines consists of a bar resting on a fulcrum
This one of the 6 simple machines consists of a bar resting on a fulcrum
SCIENCE CLASS
lever
SCIENCE CLASS