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How do you subtract one vector from another one?
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Is it true that a vector that is multiplied with a number (such as
in 3 ã) is always parallel with the original vector?
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What happens to a vector if you multiply it with 0?
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And what happens if you multiply with a negative number?
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What are vector components?
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Is it true that you can add and subtract vectors by adding and subtracting
their components individually?
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How is the length of a component often called?
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How is the scalar product of vectors defined?
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When you take the scalar product of two vectors -- do you get a number (scalar)
or a vector?
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What can we immediately say about the scalar product of vectors that are
perpendicular to each other (they form a right angle)?
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