
Some machines we use in our day-to-day life are shown in the picture. What is the type of lever in each of these?

Important Questions on Simple Machines
Classify the following as a lever, a pulley and an inclined plane: A wedge, a needle, a staircase, a slide, the wheel of a flagpole, nutcrackers, scissors, an opener, an axe, a crane, a knife.

Fill in the blanks using the proper word and complete the statement.
The _____ in the centre, the _____ on one side and the _____ on the other side make a lever of the first-order.

Fill in the blanks using the proper word and complete the statement.
The _____ in the centre, the _____ on one side and the _____ on the other side make a lever of the second order.

Fill in the blanks using the proper word and complete the statement.
The _____in the centre, the _____on one side and the _____on the other side make a lever of the third order.

Which machines will you use to do the following work? Write their types.
To remove the lid of a tin.

Which machines will you use to do the following work? Write their types.
To lift bricks to the top of a tall building.

Which machines will you use to do the following work? Write their types.
To cut vegetables.

Which machines will you use to do the following work? Write their types.
To draw water from a well.
