Forces

What is a force that pulls things towards the center of Earth?

• magnets

• opposite poles

• attraction

• gravity

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What are magnets attracted to?

• other magnets

• paper

• some metals

• iron

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The strength of a magnetic force depends on the (a)   and their ​ (b)   apart

• object's properties

• distance

• object's appearance

• closeness

• object's smell

• pull

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What kind of force is the picture showing?

• balanced

• unbalanced

What is a push or a pull?

• work

• energy

• force

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What is a force that pulls down on the aircraft?

• lift

• weight

• drag

• thrust

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What is a force that slows an aircraft down?

• lift

• weight

• drag

• thrust

If an aircraft is flying straight, what kind of force will it be?

• balanced

• unbalanced

If an aircraft need to take off, which 2 forces need to increase?

• lift and weight

• drag and thrust

• lift and thrust

• drag and weight

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What might happen when an aircraft becomes an unbalanced force?

• nothing happens

• it flies straight

• the aircraft turns

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