Calculate the normal reaction force R. M s tan q the coefficient of static friction is determined by the angle of the inclined plane which is a pure number and has no unit. Coefficient Of Friction Is A Value That Shows The Relationship Between The Force Of Friction Between T Physics And Mathematics Basic Physics Physics Classroom The important directions are parallel to the plane and perpendicular to the plane instead of horizontal and vertical Step 1. . Up to 24 cash back A convenient device to measure the coefficients of friction for a pair of materials is an inclined plane device. Set up the physlet so that the ramp angle is 30 the coefficient of kinetic friction m 024 and mass M 1 5 kg. Find kinetic coefficient of friction by tilting the inclined plane and noting the angle at. On an inclined plane the basic principles are the same as for coefficient of friction on horizontal surfaces. Now find the value of the coeffici...