An common example of a lever is a see-saw. Some other levers are pliers, crowbars, wheelbarrows, scissors, staplers, fishing rods, tweezers, nut crackers and fishing rods. More »

Examples of second class levers include doors, staplers, wheelbarrows and can openers. In a second class lever, the load is found between the effort and the fulcrum. The direction of the effort and the load are the same. More »

Examples of first-class levers include a balance scale, a seesaw and a crowbar. A first-class lever places the fulcrum in the middle of the effort and the load. More »

www.reference.com Science Physics Motion & Mechanics

A stapler is an example of a second class lever. Levers are designated as second class if the load is situated between the fulcrum, or pivoting point, and the point where effort, or force, is applied. More »

A lever is a simple machine that is made up of a board or bar that rests on an object. Levers are used to achieve a mechanical advantage, such as making lifting heavy objects easier. More »

www.reference.com Science Physics Motion & Mechanics

A lever is a basic machine people use to move a load around a pivot by applying force. Many common tools, such as scissors, pliers and tongs are types of levers. More »

Scissors are composed of two different types of simple machines: wedge and lever. The scissors' blades are sharpened into wedges, and the arms that are squeezed together are levers. More »