lesson

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Every time you move, interact with an object, or play a sport, you are using forces. A force is simply a push or a pull acting upon an object.
How can you tell whether an everyday action is pushing something away or pulling it closer?
Pushing and Pulling
A push is a force that moves an object away from whatever is applying the force. A pull is a force that brings an object closer to whatever is applying the force.
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What about simple tools we touch dozens of times every single day, like doors?
Opening and Closing Doors
Entering a building often requires you to choose between forces depending on the door handle. A flat metal plate tells you to apply a push force, while a handle invites a pull force.
When you open a refrigerator, your fingers grip the handle and pull the door toward your body, overcoming the magnetic seal holding it shut.
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What happens when push and pull forces are used together during sports and play?
Forces in Sports and Motion
When you kick a soccer ball, your shoe makes contact and applies a swift push force directly against the ball's surface, accelerating it across the grass.