When two surfaces are coated with a lubricant then they will: (A) slide upon each other (B) stick to each other (C) roll upon each other (D) jump on each other

When two surfaces are coated with lubricant, then they will slide upon each other.

If two surfaces are coated with lubricant then friction will be reduced. Hence, they slide over each other if one is pushed on the other. It is friction which prevents relative motion between two surfaces.

So, the correct option is (A)

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