What kind of machine is the wheel of a flagpole?
Pulley
Wedge
Lever
Inclined plane
In the flagpole, we use a pulley, where the rope runs on the circumference by applying an effort from downwards.
Answer the following questions :
(a) What are simple machines? Give examples.
(b) What are the advantages of using a machine?
(c) What is meant by a pulley?
(d) What can you use as an inclined plane?
(e) What is meant by a lever?
(f) What is meant by a complex machine? Give an example.
(g) How many types of levers are there? On what basis are they classified?
(h) What should we do to take care of machines?