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Mnenie [13.5K]
1 year ago
5

According to usual sign convention, thermal expansion creates a negative strain. true/ false

Social Studies
1 answer:
Dominik [7]1 year ago
3 0

According to usual sign convention, thermal expansion creates a negative strain. TRUE. Hence, the correct answer is TRUE.

<h3 /><h3>Is there a negative thermal stress?</h3>

FA= −YαΔT(7) (7) F A = − Y α Δ T For a decrease in temperature, ΔT is negative, so F and F/A are positive; by extension, a tensile force and stress are required to sustain the length. If ΔT is positive, F and F/A are negative, and the required force and stress are compressive.

Therefore, the correct answer is as given above

learn more about thermal expansion: brainly.com/question/1166774

#SPJ1

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