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  • Magnetic Force and Distance: Understanding the Inverse Square Law
    The magnetic force between two magnetic poles varies inversely with the square of the distance between them. This means:

    * As the distance between the poles increases, the magnetic force decreases rapidly.

    * Doubling the distance reduces the magnetic force to one-fourth of its original value.

    * Tripling the distance reduces the magnetic force to one-ninth of its original value.

    This relationship is similar to the inverse square law that governs gravitational force.

    Here's a mathematical representation of this:

    F = k * (m1 * m2) / r^2

    Where:

    * F is the magnetic force

    * k is a constant of proportionality

    * m1 and m2 are the strengths of the two magnetic poles

    * r is the distance between the poles

    Therefore, the magnetic force decreases rapidly as the distance between the poles increases. This is why magnetic forces are generally only significant over relatively short distances.

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