Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Shown in the figure is rigid and uniform one meter long rob AB held in horizontal position by two strings tried to its ends and attac

Shown in the figure is rigid and uniform one meter long rob AB held in horizontal position by two strings tried to its ends and attached to the ceiling. The rod is of mass 'm' and has another weight of mass 2 m hung at a distance of  75 cm from A. The tension in the string at A is :
Option: 1 0.5 mg
Option: 2 2 mg
Option: 3 0.75 mg
Option: 4 1 mg

Answers (1)

best_answer

As shown in the figure

The tension in the string at A is T

So

\begin{aligned} &\text {As Net torque about } B=0\\ &\Rightarrow T \times 100=m g \times 50+2 m g \times 25\\ &\Rightarrow T=m g \end{aligned}

Posted by

avinash.dongre

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main Result 2024 Live: JEE Mains session 2 results at jeemain.nta.ac.in soon; rank predictor
anam-khan

JEE Main 2024 session 2 final answer key out at jeemain.nta.ac.in; steps to check probable scores
anam-khan

JEE Main Result 2024 Live: Download session 2 final answer key at jeemain.nta.ac.in; rank predictor, cutoff

Latest Question