1.

Define friction. Give two examples of the utility of friction in day to day life.

Answer»

Friction : Friction is a force that shows down moving objects or prevents stationary objects from moving. 

Examples of the utility of friction in day to day life.

  • Cars and buses are able to move safely on the road because of friction between the treaded tyres and the surface of the road. 
  • We are able to write on paper only with the help of friction between the pencil or pen and paper.


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