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.

lever, simple machine used to amplify physical force. All early people used the lever in some form, for moving heavy stones or as digging sticks for land cultivation.

Mar 9, 2022 · 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 …

Levers work by reducing the amount of force required to move an object or lift a load. The lowered amount of effort needed is compensated through increased distance over which the force has to be …

Jul 23, 2025 · In this article, we will learn in detail about types of levers along with their example. We will also learn what is lever and how they are classified using mechanical advantage.

Dec 10, 2024 · Discover levers, their types, and uses. Learn how they provide mechanical advantage to lift, move, or apply force in various tools and machines.

Dec 8, 2025 · Hi, and welcome to this video on levers! We’re going to discuss what exactly levers are, the physics behind how they work, and what different types of levers exist.

Aug 20, 2025 · From ancient Egyptian construction to bottle openers and modern-day crowbars, levers have been amplifying human strength for over 5,000 years.

Levers are all around us and are used in countless tools and machines. Here are some more examples of each type of lever and how they are used in everyday life.

Use levers to magnify forces. A lever is a mechanism that can be used to exert a large force over a small distance at one end of the lever by exerting a small force over a greater distance at the other end.