Question

2. What is a lever? How many types of levers are there?​

Answer 1

Answer:

three types

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.

Answer 2

Answer:

Lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum.

There are three types of levers: first class, second class and third class.