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Two short magnet A and B of magnetic dip...

Two short magnet `A` and `B` of magnetic dipole mement `M_(1)` and `M_(2)` respectively are placed as shown.The axis of `A` and the equatorial line of `B` are the same.Find the magnetic force on one magnet due to other.

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`F=3((mu_(0))/(4pi))(M_(2)M_(1))/(r^(4))` upwards on `M_(1)`
down wards on `M_(2)`
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