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How can friction be useful?

Answer:
Friction plays a vital role in our daily life. Without friction we are handicap.
1. It is becomes difficult to walk on a slippery road due to low friction. When we move on ice, it becomes difficult to walk due to low friction of ice.
2. We can not fix nail in the wood or wall if there is no friction. It is friction which holds the nail.
3. A horse can not pull a cart unless friction furnishes him a secure foothold.
First answer by Josh salazar07. Last edit by Josh salazar07. Contributor trust: 3 [recommend contributor recommended]. Question popularity: 1 [recommend question].

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