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

15

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5

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Infinitely large

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Solution

The correct option is C Infinitely large
R.E.F image
In order to straighten the rope then
$θ = 90^{\circ}$
$m g = 0$
$m g = 0$ is not possible so we have
to apply infinitely large tension on
the rope

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

The correct option is C Infinitely largeR.E.F image In order to straighten the rope then θ=90∘mg=0mg=0 is not possible so we haveto apply infinitely large tension on the rope

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

The correct option is C Infinitely large
R.E.F image
In order to straighten the rope then
$θ = 90^{\circ}$
$m g = 0$
$m g = 0$ is not possible so we have
to apply infinitely large tension on
the rope