3 Types of Lever Class I II III Middle Position Multiplier Example Fulcrum Scissors Pliers See-saw Load Force Multiplier Bottle Opener Nut Cracker Wheel Barrow Nail Clipper Effort Distance Multiplier Fishing Rod Nail Clipper
3 Types of Lever Class I II III Middle Position Multiplier Example Fulcrum Scissors Pliers See-saw Load Force Multiplier Bottle Opener Nut Cracker Wheel Barrow Nail Clipper Effort Distance Multiplier Fishing Rod Nail Clipper