List three disadvantages of friction
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Explanation:
1. Friction uses a lot of heat . Since it uses heat, lots of energy is wasted.
2. It opposes motion, so more energy is needed to overcome.
3. Forest fires can be caused by friction between the branches of the trees. It causes destruction of natural habitat of the animals and destroys the environment.
Since Friction has so much disadvantages, it also has some advantages. Therefore, it is known as Necessary Evil.
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