Forces and Motion Test

Name

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What is gravity?

• A pulling force that works across space.
• A pushing force.
• The effort it takes to move.
• None of the above.

What is a force?

• A push
• A pull
• A type of gravity
• Both a and b are correct answers

Why does the train rise?

• A big gust of wind lifts it up.
• Electricity lifts up the train.
• Gravity lifts up the train.
• A magnetic force lifts up the train.

Why does the train come back down?

• There is not enough wind
• It can only stay up a certain amount of time
• The electro-magnet gets turned off
• All of the above

What does the word "attract" mean?

• When a magnet turns on and off
• When you have a crush on someone
• When two objects push away from each other
• When two objects pull on each other, making them move closer

What does the word "repel" mean?

• When two objects push away from each other
• When an object moves up
• When two objects move closer to each other
• When an object moves down

Is the MagLev train safe to ride?

• Yes
• No