The motion of the particle in this system is helicoidal, with the axial motion uniform (constant) but the radial and angular components varying in a spiral according to the equation of motion derived above. The initial conditions on , , , , will determine if the trajectory of the particle has a constant or varying . If initially is nonzero but , while and are arbitrary, then the initial velocity of the particle has no radial component, is constant, so the motion will be in a perfect helix. If "r" is constant, the angular velocity is also constant according to the conserved .