Not enough information. The direction of one of the vectors is not enough. We know that the other is perpendicular to it, and that the diagonal of the rectangle is 100. But that just means that the rectangle is rotated by 60°
It could have sides of 60 and 80, or 12 and 8√154, or any other shape.
Two forces whose
resultants is 100N are
perpendicular to each
other. If one of them
makes an angle of 60
degree with the
horinzontal. Calculate its
magnitude
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