http://www.bbc.co.uk/schools/scienceclips/ages/6_7/forces_movement.shtml
This is an interactive activity to help teach us. Have a go.
A force can be a push or a pull. For example, when you push open a door you have to apply a force to the door. You also have to apply a force to pull open a drawer.
You cannot see a force but often you can see what it does. Forces can change the speed of something, the direction it is moving in or its shape. For example, an elastic band gets longer if you pull it.
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