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4Me2 Magnetic Force – Magnetic Force Model

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The formation of magnetic force

Like poles repulse each other and unlike poles attract each other.  Magnetic force is formed under the magnetic field.

 

The concept of magnetic force

In a magnetic field, its magnetic force has different magnitude and direction on an object.  For example, when two magnets are put closer, the larger the magnitude of magnetic force between them and vice versa.  The formation of either repulsive or attractive force depends on the poles facing each other.

When one side of a seesaw is forced down, the repulsive force in between becomes larger.  As forces between the magnets are changing, the seesaw continues to move up and down.

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Description

磁石、磁鐵、電流等都會產生磁場。磁鐵與磁鐵之間,各自產生的磁場皆影響對方並互相施加作用力於對方,這種吸力和斥力便是磁場的動力。

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