Assertion: fulcrum | /r/HasProperty | hinge
Facets:
Source sentences:
text: A door is a second class lever because the fulcrum (hinges) are at one end, the resistance (the weight of the door itself) is in the middle, and the effort (the work done on the door--your hand pushes) is at the other end
text: No, a door is a second class lever because the fulcrum (hinges) are at one end, the resistance (the weight of the door itself) is in the middle, and the effort (the work done on the door--your hand pushes) is at the other end