Two light rods AB = a + b, CD = a – b symmetrically lying on a horiz – McqOptions

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1.	Two light rods AB = a + b, CD = a – b symmetrically lying on a horizontal AB. There are kept intact by two strings AC and BD. The perpendicular distance between rods in a. The length of AC is given by
A.	a
B.	b
C.	√(a2 + b2)
D.	√(a2 – b2)
Answer» E.

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