Answer to Question #279007 in Physics for Abdikarim

Question #279007

two forces of magnitude 4N and 2.5N acting at a point inclined at an angle of 40 degree to each other find their resultant

Expert's answer

According to the cosine theorem

"F=\\sqrt{4^2+2.5^2+2\\cdot4\\cdot2.5\\cdot\\cos40\u00b0}=5.3\\ (N)" . Answer

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