Question

study about frictional force from everyday life where it is useful or harmful explain​

Answer 1

Answer:

frictional force is important in.

1:conveyor belts

2:lightening a match stick

3:walking

harmful:

1:decipation of energy

Answer 2

            Frictional force from everyday life

• The friction force from everyday life being useful is preparing the food, the preparation of wheat flour dough for bread preparation.
• The make the snack the potato is applied with frictional force on the cutter. To stop the moving vehicle the frictional force is applied.
• The harmful effect of such frictional force are applying huge force or sudden break in vehicle causing the accident, huge friction applied to prepare the dish may cause the muscle damage.
• During mountain climbing the huge friction is applied in the bones in order to maintain the speed to reach destination, but huge friction may cause the bone damage.

To know more:

Explain why frictional force is said to be a contact force

https://brainly.in/question/1566231