Name the class to which the following lever belong:

a pair of pliers. (class one, class two)

Name the class to which the following lever belong:

a crowbar. (class one, class two)

The diagram given below shows the lever. Name the class of lever and give one example of the class.

The diagram given below shows the lever. Name the class of lever and give one example of the class.

The diagram given below shows the lever. Name the class of lever and give one example of the class.

Draw diagrams to illustrate the positions of fulcrum, load and effort, in the following:

a see-saw

Draw diagrams to illustrate the positions of fulcrum, load and effort, in the following:

a beam balance

Draw diagrams to illustrate the positions of fulcrum, load and effort, in the following:

a nut cracker

Draw diagrams to illustrate the positions of fulcrum, load and effort, in the following:

a pair of forceps