## anonymous one year ago the resultant of two forces 3N and 4N making an angle 90 with each other is a) 1N b) 7N c) 5N d) 3.5N

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1. Abhisar

Hello @needsknowledge ! You can add any two vectors using the vector addition law i.e $$\boxed{\sf A+B=\sqrt{{A^2+B^2+2ABcos\theta }}}$$ Where, $$\theta$$ is the angle betwenn two vectors.