Tangential Force: This acts in a direction tangential to the revolving workpiece and represents the resistance to the rotation of the workpiece. account's for about 98% of the total power.
Longitudinal force:acts in the direction parallel to the axis of the work and represents the resistance to the longitudinal feed of the tool.only about 1 percent of total power required.
Radial Force: acts in a radial direction from the centre line of the workpiece.
material removal rate?