Question:
A metal rod is placed on smooth horizontal surface at
Last updated: 6/10/2023
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A metal rod is placed on smooth horizontal surface at temperature 25 C Now temperature of surroundings is increased up to 100 C then during heating of rod 1 Mechanical strain developed in rod is nonzero 2 Mechanical stress developed in rod is nonzero 3 Length of rod will increase 4 All of these