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Balanced and Unbalanced Forces PowerPoint PPT Presentation

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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Balanced and Unbalanced Forces

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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

Direction: north (up)

5N, north (up)

Balanced and Unbalanced Forces

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

Balanced Forces

• Balanced forces do not cause change in motion

• They are equal in size and opposite in direction

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

Unbalanced Forces

3 N, right – 6 N, left = 3N, left

Unbalanced Forces

4 N, left – 10 N, right =

6N, right

Unbalanced Forces

5 N, right + 10 N, right =

15N, right