How can I find the resultant if angles are not given and only magnitudes are given?

Md Ariful Islam

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Dr. Md Rushad Rahman

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If these are vectors, and you have no other information about their direction, you can't! Since you don't know the angles (or the relative alignment) between them, it's possible that the vectors could line up exactly (in which case the resultant has a magnitude equal to the sum of their magnitudes), or they could point in opposite directions (in which case the resultant has a magnitude equal to the difference between their magnitudes), or anywhere in between. If you were given a problem like this, it is not completely specified.

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