0

Guest

Courses New

A boys hanging from horizontal branch of a tree the tension in the arms will be e maximum when the the angle between the arms is

A boys hanging from horizontal branch of a tree the tension in the arms will be e maximum when the the angle between the arms is

Grade:11

1 Answers

Vikas TU
14149 Points
4 years ago
 
The resultant of tensions in the arm must be equal to weight F (= mg)
Hence
F² = P² +P² + 2P² cos @
F² = 2P²( 1+ cos@)
P² = F²/2(1+cos @)
P is max when (1+ cos@ ) is min
 Cos @ = -1
@ = 180 ° is not possible
Hence cos @ = -1/2
Hence
@ = 120 °

Think You Can Provide A Better Answer ?

Other Related Questions on General Physics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More