(Multiple choice) Which one of the following statements is true? Explain. (a) Wh

Question

(Multiple choice)
Which one of the following statements is true? Explain.
(a) When materials are subjected to a tensile stress, the lateral strain is always negative.
(b) When metals are subjected to a tensile stress, the lateral strain is always positive.
(c) When materials are subjected to a tensile strain, the lateral strain is always negative.
(d) When metals are subjected to a tensile stress, the strain is always proportional to the
magnitude of the stress.
(e) When materials are subjected to a compressive stress, the Young

Explanation / Answer

Answer (c) When materials are subjected to a tensile strain, the lateral strain is always negative.

explanation- Under the action of tensile strain i.e. the longitudinal strain is posetive which in turn causes a negative lateral strain. it might be the case also for tensile stress but we cannot guarentee a tensile or lateral strain.

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