¹     When you want to put a box under your bed, what do you do? You may push it under there. When you pull on a wagon's handle, the wagon moves toward you. You use pushes and pulls to move things.
 
²     A push or a pull is a force. A push moves an object away from you. A pull brings it closer.
 
³     A force can make things move. Pushing a toy car starts its motion.

Paragraphs 4 to 6:
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