Force and Motion

how do forces cause objects to change in 4 different ways? CHOOSE 4.

• start moving

• slow down

• stop moving

• speed up

• push

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a force exerted between the surfaces of objects in contact with one another

• friction

• push

• pull

• gravity

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Force that moves an object closer to another object.

• Pull

• Force

• Push

• Motion

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when one force is stronger than the other, the result is motion

• balanced forces

• friction

• unbalanced forces

• inertia

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a force that causes objects to move without touching them

• energy

• speed

• non-contact force

• contact force

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_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

• pressure

• magnetism

• friction

Newton's 2nd Law of Motion: (Forces can slow down, speed up, or change direction of an object.)

• Inertia

• Acceleration

• Action and Reaction

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Newton's 3rd Law of Motion: (For every action, there is an equal and opposite reaction.)

• Inertia

• Acceleration

• Action and Reaction

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using a force to move an object

• work

• contact force

• speed

• non-contact force

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What are TWO non-contact forces?

• push

• pull

• gravity

• magnetism

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