Forces and Motion Unit Vocab

What is the measure of how fast an object is moving?

• Force

• Acceleration

• Energy

• Speed

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What is the force that pulls objects toward each other?

• Inertia

• Velocity

• Gravity

• Friction

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What is the ability to make things move or change?

• Energy

• Motion

• Acceleration

• Speed

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What is the change in an object’s speed that takes place over a period of time?

• Speed

• Energy

• Acceleration

• Force

What is the tendency of an object to stay at the same velocity unless a force acts on the object?

• Velocity

• Gravity

• Friction

• Inertia

a push or pull against an object to change its position.

• friction

• force

• velocity

• inertia

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a change in the position of an object caused by a force.

• motion

• acceleration

• speed

• energy

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a force that works against motion whenever two surfaces rub together.

• force

• gr5avity

• inertia

• friction

the speed of an object in a particular direction

• acceleration

• motion

• velocity

• force