# Physics (simple stuff)

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. Does the force of friction depend on the area of the sliding surface?

What is larger, static friction or sliding friction when an object is stationary?

Why sand is placed on icy streets and sidewalks? )something to do with friction)

how could you reduce sliding friction

• Physics (simple stuff) -

Please try to answer yourself first. I am sure you know these answers. What is lubricating oil for example?

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