Question

12. Two forces of equal magnitude P give resultant
of P/2; the angle between two forces is
A.cos-1(7/8)
B.cos-1(-7/8)
C. cos-1(1/2)
D.cos-1(-1/2)​

Answer 1

Answer:

option A

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Answer 2

Answer:

cos-1(7/8)

Step-by-step explanation:

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