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Push-and-pull forces. Forces make things move or stay still by pushing or pulling.

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There are different types of forces. Contact and non-contact forces. Contact

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forces. They occur when one object or person moves another by touching it. The finger applies a force

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to the marble. The water applies a force to the float and the girl. Non-contact forces.

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This means that they move objects without touching them.

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Gravity moves children to the ground.

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The magnet moves the paper clips without touching them.

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Thank you!