The resultant of two equals forces is $141.4 N$ when they are mutually perpendicular. When they are inclined at an angle $120^{\circ}$ , then the resultant force will be

100 N

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141.4 N

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196 N

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Zero

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Solution

The correct option is A $100 N$

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Two equal forces $\to F$ are acting such that the magnitude of their resultant is equal to F. They must be inclined at an angle of __ degrees

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