Friction

FRICTION PURPOSE The purpose of this experiment was to determine the coefficients of atmospherics and energizing clangor using physical disapproves made of versatile materials. In addition to ascertain coefficients, the purpose of this experiment was in like manner to test the hypothesis that the deplumate of clang is independent of the arrive of surface bea in clear up. PRINCIPLES AND THEORY clang is a strong suit which is measured in Newtons (kg/m/s2) that acts along the surfaces of cardinal objects that are in physical contact with for each(prenominal) one other and affects negatively the relative doing of each object. thitherfore, abrasion is a force that always acts opposite the motion of the object or opposite to the force being applied. There are three types of abrasion, scarcely for this experiment only two were examine: Static friction: frictional force that opposes the motility of a stationary object along a surface. Kinetic (sliding) friction: frictional force that opposes the sliding motion of two surfaces clash to liveher. The coefficient of friction is represented by the Greek letter Mu (µ), which has no units and is mainly less than 1 in value.

In most(prenominal) cases, motionless friction is greater than kinetic friction, so it is easier to stir up an object once it is in motion. Determining the coefficient of kinetic friction twisting several trials and interpreting fk as a procedure of FN. The slope of the graph is µk. Subsequently, the coefficient of static fri! ction can be determined in a similar fashion but by ascertain the hanging mass that will broach the motion of the object. The proportionality of the frictional force to the normal force can also be workoutd to determine the static or kinetic frictional forces: µs = fs/FN µk = FN/fk A third mode of determining the coefficient of static friction is to use the limiting move of repose method, in which the angle of the funding object is change magnitude to the point where the...If you want to get a full essay, purchase order it on our website: OrderCustomPaper.com

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