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l The magnitude of two forces are in the ratio 3 : 2. If the first force is doubled, the magnitude of the resultant of the two forces, is also doubled. Find the angle between the two forces |
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Answer» if the FIRST force is DOUBLED then resultant is also doubled. The angle between the TWO forces is. Solving these two EQUATIONS we GET, cosθ=-12orθ=120∘. |
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