Question

1)See- saw - grooved wheel

2)Smoothness of surface - kilometre square

3)Area - first class lever

4)Cobalt - offers less friction

5)Pulley - magnetic material.


can anyone match the following?tysm! ​

Answer 1

Answer:

1) See saw -- First class level

2) Smoothness of Surface -- offers less friction

3) Area -- kilometre square

4) Cobalt -- Magnetic Material

5) Pulley -- Grooved Wheel