Two persons are holding a rope of negligible weight tightly at its ends so that it is horizontal. A 15 kg weight is attached to rope at the midpoint which now no more remains horizontal. The minimum tension required to completely straighten the rope is

Two persons are holding a rope of negligible weight tightly at its end

1.	Two persons are holding a rope of negligible weight tightly at its ends so that it is horizontal. A 15 kg weight is attached to rope at the midpoint which now no more remains horizontal. The minimum tension required to completely straighten the rope is
Answer» 150 N 75 N 50 N Infinitely large Solution :`T=F, 2Tcos thetamg` To make rope straight, `theta=90^(@)`