Question

Provide at least three reasons why friction is needed.

Answer 1

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.

What did you include in your response? Check all that apply.

Friction makes movement possible.

Friction provides traction

Friction makes it easier to hold on to objects

Friction keeps objects in place.

Step-by-step explanation:

Answer 2

Friction occurs when two surfaces come into contact. Excess friction hinders movement, and it wastes energy. Friction refers to a force that opposes motion. It is important because it is applied in almost all life processes.