Question

Write some harm of fraction?​

Answer 1

Answer:

Disadvantages of friction:

• Friction produces a lot of heat in various parts of the machinery and this leads to wastage of energy as heat.
• Opposes motion, hence more energy is needed to overcome friction.
• Noise production in machines is irritating as well as leads to energy loss.
• it produces heat which may damage machines.
• it wears out steps of staircase in buildings and foot over bridges.
• it wares out the brake pad of vehicle gradually.
• it wears is out the rubbing machine parts.