Two forces, $\to F$ and $_{2}$ are acting on a body. One force is double that of the other force and the resultant is equal to the greater force. Then the angle between the two forces is

$c o s^{- 1} (\frac{1}{2})$

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$c o s^{- 1} (- \frac{1}{2})$

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$c o s^{- 1} (- \frac{1}{4})$

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$c o s^{- 1} (\frac{1}{4})$

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Solution

The correct option is C
$c o s^{- 1} (- \frac{1}{4})$

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