Question

what is the cause of friction ? aldo state some advantage and disadvantaged of friction​

Answer 1

Answer:

Friction produces unnecessary heat leading to the wastage of energy. The force of friction acts in the opposite direction of motion, so friction slows down the motion of moving objects. Forest fires are caused due to the friction between tree branches.

Explanation:

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Answer 2

Answer:

Friction makes wear and tear of the machinery extra energy is required to move the heavy body or vehicle or automobile. Friction opposes the motion of the moving object. Friction causes heat and cause energy loss.