Force and Gravity

A student released a car at the top of a ramp, and it rolled straight into another

car at the bottom of the ramp, as shown.

Which arrow shows the direction the car will go at the bottom of the ramp will move?

• →

• ←

• ↓

• ↑

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The picture shows a horse with a wagon attached.

Which type of force moves the wagon when the horse walks forward?

• Pull

• Push

• Friction

• Gravity

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What should the student do to move the ball farther away from himself?

• Push it

• Pull it

• pick it up

• sit on it

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What is the purpose of an inclined plane?

• It makes the load weigh less

• It makes their work easier.

• It keeps them safe

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Which simple machine would help you lift a a box off the ground?

• wheel and axel

• inclined plane

• lever

• screw

Michael Jordan jumped to make a goal. W?hat happened as he jumped

• The goal changed position.

• The jump was a pull.

• The ball was the only thing to change position.

• The jump was a push that caused him to change position.

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What force keeps a swing going?

• Magnetism

• Gravity

• Friction

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What force causes an apple to fall from a tree?

• Magnetism pulling it to the ground

• Gravity pulling it to the ground

• Gravity pushing it to the ground

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What will happen as a magnet gets close to an iron nail?

• The nail will move away from it

• The magnet will push away

• The nail will do nothing

• The nail will move closer to it

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What is the main reason a paper airplane changes direction after it is thrown into the air?

• Gravity pushes the paper airplane up.

• Magnetism pushes the paper airplane up.

• Magnetism pulls the paper airplane down.

• Gravity pulls down on the paper airplane.

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