1. Produces heat in various parts of the machines. In this way, useful energy is expended as a loss in thermal energy.
2. Due to friction, you have to exert more power in the machines, to overcome the losses.
3. Opposes the motion, i.e, counteracts the movement, so it takes more energy to move.
4. Due to friction, noise occurs in machines.
5. By friction, the engines of cars consume more fuel, which causes a loss of money.
6. The efficiency of a machine decreases, since part of the energy input loses in heat by friction.
7. Forest fires are due to friction between the branches of the trees.
8. Extra friction makes it difficult to move an object, such as sliding a box across the ground or walking in deep snow.
Bettiete answered the question on June 8, 2018 at 07:22
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