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## Homework Statement

There are two force equations in this wiki page: http://en.wikipedia.org/wiki/Gravitoelectromagnetism

## Homework Equations

## The Attempt at a Solution

The conventional Lorentz force is

[tex]F = q(E + v \times B)[/tex]

It says that the gravielectromagnetic force equation:

[tex]F = m(E_g + v \times B_g)[/tex]

Is it's gravitational analogue. Yet, the only difference between the equations is that mass and charge have been exchanged.

How can the dimensions be right in the second equation?

Thank you!