Question

Explain the parts of a lever with the help of an example. Explain the three classes of levers as well.

Answer 1

Levers and their classes

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. In a first class lever, the fulcrum is located between the input force and output force.