Physics Vocabulary

A force that opposes motion between two surfaces that are in contact.

• Force

• Friction

• Net Force

• Normal Force

the combination of all the forces acting on an object.

• Force

• Friction

• Net Force

• Normal Force

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the force that pushes perpendicular to the object's surface.

• Force

• Friction

• Net Force

• Normal Force

Another word for speed and direction is

• inertia

• momentum

• velocity

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A force is

• a push

• a pull

• any push or pull

• none of the above

What is velocity

• speed

• speed and direction

• momentum

One name for Newton's First Law of Motion is

• Inertia

• gravity

• momentum

If an object changes its speed and direction it is

• changing

• moving

• accelerating

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A measure of the amount of matter in an object.

• Mass

• Weight

• Volume

• Density

The force that attracts a body towards the center of the earth.

• Magnetism

• Gravity

• Friction

• Tension

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