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Balanced and Unbalanced Forces. What is a force?. A force is a push or pull that causes an object to move, stop, or change direction In physics a force is anything that makes an object accelerate. Force. Forces come in pairs Forces have a magnitude and a direction. Magnitude: 5N

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What is a force l.jpg
What is a force?

  • A force is a push or pull that causes an object to move, stop, or change direction

  • In physics a force is anything that makes an object accelerate


Force l.jpg
Force

  • Forces come in pairs

  • Forces have a magnitude and a direction

Magnitude: 5N

Direction: north (up)

5N, north (up)


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Balanced and Unbalanced Forces

  • Forces occur in pairs and they can be either balanced or unbalanced


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Balanced Forces

  • Balanced forces do not cause change in motion

  • They are equal in size and opposite in direction


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Unbalanced Forces

  • An unbalanced force always causes a change in motion

  • When unbalanced forces act in opposite directions you can find the net force

    • Net force

      • Magnitude

        • The difference between the two forces

      • Direction

        • Direction of the largest force


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Unbalanced Forces

3 N, right – 6 N, left = 3N, left


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Unbalanced Forces

4 N, left – 10 N, right =

6N, right


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Unbalanced Forces

5 N, right + 10 N, right =

15N, right


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