Forces Vocabulary

Forces acting in opposite directions in equal strength so there is no change in the speed of the object.

• Inertia

• Force

• Balanced Forces

• Mass

Forces that are not equal, causing a change in the motion of an object’s speed or direction.

• Velocity

• Direction

• Speed

• Unbalanced Forces

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The tendency of the motion of an object to remain constant for both speed and direction.

• Mass

• Inertia

• Velocity

• Average Speed

The pair of forces cause every force having an equal and opposite force in response to it.

• Balanced Forces

• Unbalanced Forces

• Action and Reaction Force

• Net Force

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A push or a pull.

• Force

• Speed

• Friction

• Weight

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How much matter is in an object.

• Weight

• Mass

• Speed

• Net Force

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Refers to both the speed of an object and the direction of its motion.

• Speed

• Average Speed

• Velocity

• Constant Speed

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Where a force is going (up, down, left, right)

Is the line, or path along which something is moving, pointing, or aiming.

• Speed

• Position

• Direction

• Gravity

Is a measure of how fast something moves a particular distance over a given amount of time.

• Speed

• Average speed

• Constant Speed

• Velocity

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Is the result of the total distance divided by the total time taken.

• Speed

• Average Speed

• Gravity

• Friction

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