The "substance" of a magnetic force isn't actually a physical thing like a solid, liquid, or gas. It's more of a field that extends around a magnet. Here's a breakdown:

* Magnetic Fields: These fields are invisible, but they exert forces on certain materials, especially those containing iron, nickel, or cobalt.

* How they Work: Charged particles moving in a loop create a magnetic field. These moving charges are typically electrons, which are fundamental particles with an electric charge.

So, instead of thinking about a "substance" for magnetic force, think of it as:

* A property of moving charges: The magnetic field arises from the movement of electric charges.

* A force field: The magnetic field acts as a force field that affects other charged particles in motion.

Key Points:

* Magnetic forces are not caused by a physical "substance" that we can touch or see.

* They are a fundamental force of nature related to moving charges.

* The concept of a magnetic field is a useful way to understand how these forces work.

Let me know if you'd like to explore any specific aspects of magnetism further!