Available Answers

1. 1.

   Tick (√) on the right answer:

   1. This simple machine is used for cutting or splitting:
   2. It is not an example of wedge:
   3. The simple machine used for drawing water from a well:
   4. An example of class I lever:
   5. An example of class Il lever:
   6. An example of class III lever:
   7. The simple machine changes the direction of the force applied:
2. 2.

   What kind of machines are these?

   i.	ii.	iii.
   iv.	v.	vi.
   vii.	viii.	ix.

    

3. 3.

   What is a machine?
4. 4.

   Name six simple machines.
5. 5.

   Explain the working of the pulley. How does it make our work easy?
6. 6.

   How will you show that a screw is actually a curved slope? Draw diagram as well.