Timeline for How to count magnetic repulsion
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 28, 2012 at 1:15 | comment | added | Emilio Pisanty | However, please consider the stability of the equilibrium you are trying to build. If strings are involved, why not just hang the magnets? The equilibrium obtained using simple magnets is as stable as an up-ended pendulum. Do read the WP link! | |
| Dec 28, 2012 at 1:13 | comment | added | Emilio Pisanty | $\mu_0$ is the magnetic permeability of free space. $\mathbf{m}_i$ are the magnetic dipole moment vectors of the two magnets; once you know their direction (e.g. using an iron-filing experiment) you only need the product $m_1m_2$ of their magnitudes and that you can find with a single force reading. | |
| Dec 27, 2012 at 9:02 | vote | accept | freopen | ||
| Dec 26, 2012 at 12:48 | comment | added | freopen | How can i find $m_1$, $m_2$ and $\mu_0$? I'm planning to use some strings to establish equilibrium. | |
| Dec 26, 2012 at 11:59 | history | answered | Emilio Pisanty | CC BY-SA 3.0 |