If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domain *.kastatic.org is unblocked.

How does force change over distance?

We have noticed that the force of a magnet seems to depend on our distance from it.

Galvanometer

Can you think of an experiment which would describe a magnet's force across a distance?

Is the relationship linear?