What a force does
A swing is pushed. A goalkeeper catches a ball. Clay is pressed.
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The rule
Here, still means not moving. A force can make a still object move. It can change the speed of a moving object. It can change the direction of a moving object. It can change an object's shape.
A force can do several of these at the same time.
| Action | Effect |
|---|---|
| Push a swing that hangs still | It starts to move |
| A goalkeeper catches a fast ball | It slows down |
| A cyclist turns at a corner | Its direction changes |
| A potter presses wet clay | Its shape changes |