THE INVERSE SQUARE LAW (dissipation of force over expanding area) In the case of a speaker exciting the flexible medium of air, we find that a central shaft (the magnet), generates fluctuating magnetic fields to PULL or PUSH a coil of wire attached to a vibrating paper cone.
(a speaker; exciting; the flexible medium of air) (we; find; that a central shaft (the magnet), generates fluctuating magnetic fields to PULL or PUSH) (a coil of wire; attached; )
a speaker we a coil of wire
exciting find attached
the flexible medium of air
that a central shaft (the magnet), generates fluctuating magnetic fields to PULL or PUSH