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SOMEONE PLEASE HELPPP!
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SOMEONE PLEASE HELPPP!

SOMEONE PLEASE HELPPP!-example-1
User Estevex
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1 Answer

4 votes

Answer:

The first and third one

Step-by-step explanation:

The roughness of the surfaces is very important when determining friction as well as the force pressed on a surfaces as it helps increase friction.

HOPE IT HELPED

User Weegee
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