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Lever - Wikipedia The malleus, incus, and stapes are small bones in the middle ear, connected as compound levers, that transfer sound waves from the eardrum to the oval window of the cochlea
Types of Lever - GeeksforGeeks The three different types of levers exist, depending on where the input force, fulcrum, and load are The fulcrum, or fixed point, of a first-class lever is situated between the load and the input force The load on a second-class lever is situated between the input force and the fulcrum, or pivot
Lever: Definition, Parts, Types, and Examples - Science Facts Greek mathematician Archimedes was the first to develop lever principles in 260 B C A lever system consists of four parts – beam, fulcrum, load, and effort Beam: A plank made out of wood or metal Fulcrum: The pivot point about which the beam rests and moves freely
What is Lever?- Principle, Types, And Examples There are three types of levers: first-class, second-class, and third-class The difference between the three classes depends on where the force is, where the fulcrum is, and where the load is
Types of Levers: First, Second Third Order Examples Therefore, depending on the relative positions of the fulcrum, the load, and the effort, there are three different types of levers We also call these three different types or three orders of levers