Question

what is the basis on which levers are divided into three classes? with examples.​

Answer 1

Answer:

The levers can be classified into three types on the basis of applied force, load and pivot. Class I lever: In this case the position of the pivot is in the middle of applied force and the load. For example: scissors, forceps, balance, handle of tube-well, watering-can, husking pedal, etc.

Explanation:

Answer 2

Answer:

A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is divided into three types.

...

Lever

Classification Simple machine

Components fulcrum or pivot, load and effort

Examples see-saw, bottle opener, etc.

Hope it is helpfull