Question

E. Match the statements in Column A, with those in Column B.
Column A
1. An example of simple machine called wheel and axle.
2. An example of lever of third order.
3. An example of lever of second order.
4. A material used for reducing friction at the movable parts of machine.
5. A machine commonly employed for lifting water from a village well.
Column B
(a) Fixed pulley
(b) Oil or grease
(c) Door knob
(d) Nut cracker
(e) Fire tongs​

Answer 1

Answer:

1-door knob

2-nut cracker

3-fire tongs

4-oil or grease

5-fixed pulley