Moment of inertia factor
In planetary sciences, the moment of inertia factor or normalized polar moment of inertia is a dimensionless quantity that characterizes the radial
Force between two bar magnets
The Gilbert model assumes that the magnetic forces between magnets are due to magnetic charges near the poles. This model produces good approximations that
Rotating unbalance is the uneven distribution of mass around an axis of rotation. A rotating mass, or rotor, is said to be out of balance when its center
In mathematics, a rose or rhodonea curve is a sinusoid plotted in polar coordinates.
the polar coordinate system is a two-dimensional coordinate system in