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Unformatted text preview: downward acceleration of the hanging mass. Eventually, the u s can be determined by finding mass M 2 for which the block begins to slide. The second part of the experiment consists of exploring the effect on the coefficient of friction if the surface on which the block is sliding is inclined. At a certain angle of inclination ( k ), the force of kinetic friction F k and the force from the weight of the block F become equal and therefore the block slides down at a constant velocity. The average u s was 0.335, the average u k (larger surface area) was 0.17, and the average u k (smaller surface area) was 0.12....
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