Force and Motion Vocabulary

A push or pull that can change the motion of an object.

• Speed

• Force

• Velocity

• Matter

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to apply force

• exert

• speed

• infer

• mass

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A force between an object and the surface it is moving over

• equal

• friction

• effect

• mass

A pod collided with the space station, both objects experienced a force.

• The pod experienced a stronger force than the space station in the opposite direction.

• Both the pod and the space station experienced the same strength force in the same direction.

• Both the pod and space station experienced the same strength force but in opposite directions.

• The space station experienced a stronger force than the pod in the opposite direction.

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A box was slid across the floor. The box gradually slowed down and stopped after moving 3 feet. Why did the box stop moving?

• All objects stop moving because their natural state is to be still.

• The floor exerted a force that is opposite to the direction of the box's motion.

• The floor absorbs force from the box.

• The box ran out of force.

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In order for an object to speed up, the direction of the force is:

• in any direction

• in the same direction as the object's motion

• in the opposite direction of the object's motion

A push or pull that can cause motion.

• velocity

• speed

• cause

• force

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Both golf ball have the SAME mass. Which one experienced the greatest force and WHY?

• The green ball because it changed velocity the most.

• The green ball because slowing down takes more force.

• The white ball because it is going the fastest.

• They both experienced an equal force.

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Which chair experienced the greatest force and WHY?

• The red chair because it's going the fastest.

• The red chair because it has more mass and in order to speed up the same amount as the yellow, you'd need more force.

• The yellow chair because it has less mass.

• They experienced the same force because they both sped up by 3 m/s.

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What is TRUE about forces in a collision?

• The more massive object always exerts a LARGER force on the less massive object in a collision

• Both objects always exert equal and opposite forces in a collision.

• There are no forces in a collision.

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