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What do you mean by multiplication of a ...

What do you mean by multiplication of a vector by a real number ?

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A vector `vec(A) ` multiplied by a scalar `lambda` results in another vectors , `lambda vec(A)` .
Eg: Force `vec(F) = mvec(a)` . Here mass 'm' is a scalar .
`vec(a)` is the acceleration Because 'm' is always a positive scalar . The direction of force is always in the direction of accelereation .
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