Force Of Friction Essay

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The purpose of the experiment was to determine what factors affect the force of friction through experiments. The objective was to understand how the coefficient of friction is derived from the normal force and force of friction and to determine if the area of contact between the surfaces produces different values for the forces of friction.
Frictional forces are ones that oppose motion when two surfaces are found in contact with each other. Friction is a force acting parallel to two surfaces in contact. If the object is in motion, the friction force always acts opposite the direction of motion. Frictional resistance to the relative motion of two objects is proportional to the force that presses the surfaces together as well as the roughness of the surfaces (Nave, R., n.d.). The force of friction of two objects is usually independent of the area of contact and also independent of the velocity of motion of the objects. The force of friction is given by the equation Ff = (μ)(FN), where μ is the coefficient of friction and FN is the normal force (Jacobs, G., Schulman, J., 2011).
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