Question

state any four methods to reduce friction​

Answer 1

Answer:

there is your correct answer

Answer 2

HEYA MATE HERE U GO.

❤⭐POLISHING ⭐❤

• By polishing the surfaces , frictional force can be reduced.

❤⭐.USING LUBRICANTS ⭐❤

• A lubricant forms a thin layer between two surfaces in contact and it reduces the friction.

❤⭐USING BALL BEARINGS ⭐❤

• The wheels of motor vehicles , cycles and shafts of motors, dynamos are provided with ball bearings to reduce friction.

❤⭐.STREAMLINING ⭐❤

• Aeroplanes and Auto mobiles have special construction to reduce friction due to air.