Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • A metal bar of length L and area of cross-section. A is clamped between two rigid support. for the material of the rod, the youngs modulus is y and coefficient of linear expansion is <img alt="\alp

A metal bar of length L and area of cross-section. A is clamped between two rigid support. for the material of the rod, the youngs modulus is y and coefficient of linear expansion is \alpha. The temperature is increased by \Delta T the force exerted by the rod on the support is 

Option: 1

YAL\Delta T

 

 

 


Option: 2

YA\alpha \Delta T


Option: 3

\frac{YL\alpha \Delta T}{A}


Option: 4

Y\alpha AL\Delta T


Answers (1)

best_answer

As we learned

 

Force on the Supports -

F=YA\;\alpha\; \Delta\; \theta

-

Thermal stress is Y\alpha \Delta t
Force is stress x area 
F=Y\alpha A\Delta T

Posted by

qnaprep

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

AIIMS MBBS cut-offs for general, OBC, EWS categories as per trends
anam-khan

Centre forms committee to tackle coaching dependency, dummy schools, examine JEE, NEET pressure
anam-khan

BSc Nursing NEET cut-offs for AIQ seats, central universities; counselling process, fee details

Latest Question