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25 January, 15:20

Provide at least three reasons why friction is needed.

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  1. 25 January, 15:37
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    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.
  2. 25 January, 15:41
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    Friction slides or rolls one object to another
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