Question

Disadvantages of rolling Friction

Answer 1

Answer:

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Explanation:

Disadvantages of friction are:

• Oppose motion.

• Produce heat in moving parts of machines/engines.

• Produce noise in machines /engines.

• Makes engines to consume more fuel, in other words it reduces the efficiency of engines.

• Cause wear and tear in moving parts of machines/engines.

Answer 2

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Advantage of rolling friction:-

With the help of rolling friction wheels can easily move.

Disadvantage of rolling friction:-

It causes wear and tear in moving parts.