Which tasks can be done using a lever?
Important Questions on Simple Machines
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?
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.
