which surface seemed to cause the greater amount of friction given object wooden surface, marble surface, silver foil, plastic cover surface
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Kinetic friction – The force of friction exerted on a surface as it rubs against another surface due to being in motion.
Static friction – The force exerted on a surface by another when neither surface is in motion. Maximum static friction is overcome when the object begins to move as a separate force is applied to it. Static friction acts in response to a force trying to cause it to move.
Newton’s Third Law – When an object exerts a force on another object, the second object exerts a force of equal strength and opposite in direction, back upon the first object.
Hence plastic would offer more friction.
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