What is a simple machine? Why do we call it simple?

Name the class of lever for the picture given below.

Name the class of lever for the picture, given below.

Name the class of lever for the picture, given below.

How does inclined plane act as a machine?

Put F for fulcrum, P for force or effort and W for weight, in the following picture. Also name the kind of lever.

Put F for fulcrum, P for force or effort and W for weight, in the following picture. Also name the kind of lever.

Put F for fulcrum, P for force or effort and W for weight, in the following picture. Also name the kind of lever.

Put F for fulcrum, P for force or effort and W for weight, in the following picture. Also name the kind of lever.