Question

Provide at least three reasons why friction is needed.

Answer 1

1).we are not able to walk if there is no friction between foot and floor .

2). parts of machine also not able to work without friction .

3). we are not able to write on paper due to friction.

Friction is necessary because of above reason.

Answer 2

Answer:

Sample Response: Friction allows people and objects to move. It provides traction for an object to start moving or change direction. It can also give people a better grip on objects. Finally, friction keeps objects in place when they are set down.

Explanation:

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