Forces: Magnetism


[Force] [Magnets] [Friction] [Gravity and Upthrust]

 

Magnets

Magnets are pieces of metal that attract iron

 

Different types of magnet


Bar magnet

Horseshoe magnet


Button magnet

 

Every magnet has two poles

N= North seeking pole

S= South seeking pole

 

 

The poles of a magnet is where the magnetic force is the strongest.

Iron filings sticking to the
poles of a horseshoe magnet

 

A magnet has lines of magnetic force around it

When we sprinkle iron filings on to a piece of paper laid over the magnet we can see the magnetic field lines

 

For a demonstration click here

 

Rules about magnetic poles


Poles that are different (unlike poles) attract each other

Poles that are the same (like poles) repel (push) apart

 

 

 

 

 

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