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Forces 3N, 4N and 12N act at a point in mutuallyperpendicular directions. The magnitude of theresultant force is:(1) 19 N(2) 13 N(4) 5 N(3) 11 N |
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Answer» The magnitude of resultant forces are determined by;F =√F1² + F2² + F3²F =√3² + 4² + 12²F =√9 + 16 + 144F = 13 N |
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