A metal rod  of length  'L' and cross-sectional  area 'A'  is heated  through
Channel: Doubtnut
Date: 2020-05-24

A metal rod  of length  'L' and cross-sectional  area 'A'  is heated  through  `'T'^(@)C` What is the  force required  to prevent  the expansion  of the rod lengthwise  ?