Introduction to Forces

What makes an arrow fly through the air to its target?

• speed

• velocity

• acceleration

• force

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What makes a long jumper thud to a stop?

• speed

• velocity

• acceleration

• force

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What makes a soccer ball change direction?

• speed

• velocity

• acceleration

• force

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What is force?

• Distance divided by time

• The direction an object is moving

• A push or a pull

• Something from Star Wars

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Do you exert a force on a pen when you write?

• Always

• Sometimes

• Never

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How are forces described?

• By their strength

• By their direction

• BOTH strength and direction

• You can NOT describe a force.

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Arrows are used to point in the ___ of the force.

• strength

• direction

• Forces do not have strength or direction.

True or False: PUSHING a door open and PULLING a door shut exerts a force in the same direction?

• True

• False

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What does the width of an arrow mean?

• strength of the force

• direction of the force

• Forces do not have strength or direction.

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What does a wider arrow mean?

• less force

• greater force

• equal force

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