Question

Now as u rub the sand paper across the board consider one of your other senses what do you sense and what does this tell you about friction and energy

Answer 1

Answer:

Friction exists when the two surfaces that are in contact with each other are having irregularities on them. These irregularities get interlocked making friction to come into the picture. Therefore, it can be said that friction is dependent on the roughness and smoothness of the surface.

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