lab 106 (1).pdf - Introduction Objectives 1.To measure the...

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Introduction: Objectives: 1.To measure the static and kinetic frictional forces using a force sensor; 2.To determine the relationship between friction force and normal force acting on an object; 3.To measure the coefficients of static friction and kinetic friction between surface.Background: Whenever the surface of one body slides over that of another, each body exerts a frictional force( on the other, parallel to the surfaces. The direction of friction on each body is opposite to that of its motion relative to the other. Suppose that a block rests on a table with the gravitational force() of the block balanced by a normal force () of which direction is opposite to that of gravitational force. The normal force is exerted on a body by a surface wherever the body is in contact with the surface of another body. You apply a force () on the block attempting to pull it to the right until the block starts sliding. In responding to this force, a frictional force () exactly balancing your applied force is directed to the left.

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