Available Answers

1. 1.

   What is a machine?
2. 2.

   Write any two ways in which a simple machine helps us.
3. 3.

   What is a lever? Give three examples of levers we use every day.
4. 4.

   What kind of a machine is a bottle-opener?

5. 5.

   How does a pulley make our work easier?
6. 6.

   How does an inclined plane help?