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.

someone please match the following

Answer 1

Answer:

1.see -saw - first class lever

2.smoothness of surface - offers less friction

3.Area - kilometer square

4.cobalt - magnetic material

5.pulley - grooved wheel.

Explanation:

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