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What do you mean by multiplication of a vector by a real number ? |
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Answer» Solution :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 alwaysa positive scalar . The direction of force is always in the direction of accelereation . |
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