Force and Energy

A magnet will pick up a nail, but not a penny because the nail

• has rust on it.
• is lighter than the penny.
• has a sharp point.
• contains iron.

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When a magnet attracts an object, it pulls the object closer.

• True

• False

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Which is the invisible force that pulls objects to the ground?

• matter

• gravity

• weight

• magnets

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When things are dropped, how does gravity affect them?

• Gravity pushed them away.

• Gravity pushed them sideways.

• Gravity pulls them down.

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Which of the following are being affected by gravity?

• A paper airplane lands on the ground.

• A pencil rolls off a desk and falls to the floor.

• A student lets go of the monkey bars and lands on the ground.

• All of the above.

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If two teams playing Tug of War pull in opposite directions with the same amount of force, what will happen?

• No one will move.

• One team will fall backward.

• Both teams will fall backward.

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Force

• A push or pull that causes an object to move, stop, or change direction.
• A change in position or location
• Where an object is located in space.
• A line or course along which something is moving.

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The force resulting from the pull of the earth on an object.

• magnetism

• gravity

• mass

• grams

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The boy is _________ on the heavy wagon.

• pulling

• kicking

• Pushing

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Which of these are an effect of force ?

• Force can stop a moving object .

• Force can change the shape of an object.

• Force can move an object .

• All of these .

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