Two forces, ${F_1}$ and ${F_2}$ 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
Two forces, ${F_1}$ and ${F_2}$ 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
- A
${\cos ^{ - 1}}(1/2)$
- B
${\cos ^{ - 1}}( - 1/2)$
- C
${\cos ^{ - 1}}( - 1/4)$
- D
${\cos ^{ - 1}}(1/4)$
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- [AIIMS 2016]