Question 1 Why is the surface of slide polished to make it smooth? Question 2 Name 2 lubricants? Question 3 Why do we sprinkle fine powder on carrom board? Question 4 Which force gets reduced when two surfaces in contact are polished to make them smooth? Question 5 State one way in which the friction between wheel and axle can be reduced? Question 6 Why does … [Read more...] about Methods of reducing friction