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A boy is hanging from a horizontal branc...

A boy is hanging from a horizontal branch of a tree. The tension in the arms will be maximum when the angle between the arms is

A

`0^(@)`

B

`60^(@)`

C

`90^(@)`

D

`120^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D
`2T cos theta uarr=Mg`

`T=((Mg)/(2cos theta))`
`T_("max")rArr cos " (min)"`
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Knowledge Check

  • A boy of mass 40 kg is hanging from the horizontal branch of a tree. The tension in his arms is minimum when the angle between the arms is:-

    A
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    B
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