Describe two factors which affects the force of friction?
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Two factors which directly affect the force of friction are :
- The smoothness of the surface.
- The presence of solid, liquid or gas around the moving body.
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The friction force depends on two factors
:a) The materials that are in contact. The two materials and the nature of their surfaces. ... b) The force pushing the two surfaces together. Pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other...
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