Maharashtra Class 7 Answered
What are characteristic of magnetic field
Asked by neenasingh81 | 30 Aug, 2020, 07:25: PM
Expert Answer
Friction is necessary because it helps us in performing many activitiesin our daily lives.
1.Construction of buildings is possible only because of friction.
2.Because of friction between the paper and the tip of the pen, we are able to write.
3.Without friction between our shoes and the ground, we will not be able to walk.
4.We can change direction in a car because of friction.
5.Friction enables us to pick up and hold things in our hands.6.Friction enables us to light a matchstick.
Answered by Shiwani Sawant | 30 Aug, 2020, 07:44: PM
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