Disadvantages of friction


  1. The main disadvantage of friction is that it produces heat in various parts of machines.


•      Heat produced due to friction causes damage to machine parts such as car brakes.

•      Friction causes damage to tyres of vehicles.


  1. Friction makes it hard to slide heavy objects such as a heavy piece of furniture or a large concrete block across the floor.


  1. Friction causes damage to tyres of vehicles, soles of our shoes; machine parts, etc. make these objects wear away with time.


•      This is the reason why machine parts are oiled. Oil is slippery and reduces the friction between parts of the machine.