list five adventures and disadvantages of friction
Answers
Answer:
advantages
friction help us to move.
fri
Answer:
Advantages of friction:
1. We are able to hold any object due to friction.
2. One can walk safely on road due to friction between ground and feet.
3. Brakes are able to stop the vehicle only due to frictional force between brake shoes and the inner surface of brake drum.
4. A match stick is lightened because of friction.
5. Nails and screws are driven in the walls or wooden surface due to friction.
6. In machine, power is transmitted from motor to the machine parts of the machine because of the frictional force between the belt and wheel.
Disadvantages of friction:
1. Due to friction wear and tear of machines increases.
2. Heat generated due to friction, decreases the efficiency of engine.
3. Friction results in the large amount of power loss in energies.