Keywords Flashcards
Friction
The resistance an object has when it moves over another object
Drag
A resistance force that slows an object down
Pressure
The amount of force pushing on a certain area
Magnets
A piece of metal that can attract and repel another metal
Attract
When magnets stick together eg. N/S
Repel
When magnets push away from each other eg. N/N S/S
Electromagnet
A magnet made by using electricity
Lever
A long bar that pivots to lift a load
Magnetic field
A space around a magnet where it has effect
Streamline
The shape a objectis made to so it can reduce drag
South Pole
The end of the magnet that would point south if hung from a thread
North Pole
The end of the magnet that would point north if hung from a thread
Magnetic materials
Steel, iron, nickel and cobalt
Permanent magnet
A magnet that is always magnetic
Bar magnet
A magnetised piece of steel
