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State the likely cause of friction.
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Causes of Friction. Friction is a force that resists the relative motion between two objects or materials. The causes of this resistive force are molecular adhesion, surface roughness, and deformations. ... But surface roughness is a factor when the materials are rough enough to cause serious abrasion.
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Friction is a force that resist the relative the two motion between two objects and material the causes of the resistive force molecular adheshion surfaces roughness and deformation but roughness is a factor than the material rough enough to causes serious abrasion
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