Question

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Answer 1

Answer:

Static friction is the answer

Explanation:

Answer 2

Answer:

Kinetic friction magnitude is directly proportional to the normal force magnitude and the roughness between the sliding surfaces. Static friction magnitude is directly proportional to the normal force magnitude and the roughness between the sliding surfaces.

Generally, the magnitude of the force of friction depends on the roughness of the material. The rougher or bumpier the material, the more friction there will be. The magnitude of the force of friction also depends on the Normal Force. We usually think of the normal force as opposite to weight.