Multiple-choice questions 1-2-3, please help choose one answer on each, thank yo

Question

Multiple-choice questions 1-2-3, please help choose one answer on each, thank you. And if u can explain why you choose? thanks.

The subject is Strength of Materials.

1. (5 pts) Given the applied axial load, P, in theydirection as shown a There is strain in the y-direction b There is strain in the x-direction c There is strain in the z-direction d a, b, and c e none of the above 2. (5 pts) The stress distribution near the end of an axially loaded beam (without a bearing plate) is most like (circle one): 3. (5 pts) If the magnitude of the stress for a metal is in the elastic range then: a It is less than the yield point b It is less than or equal to the elastic limit c It is less than the ultimate stress d It is linearly to the strain proportional e All of the above f a and b only none of the above

Explanation / Answer

PART A)

since its motion is along Y direction

so its strain is along Y

PART B)

Figure C

PART C)

It is less than or equal to elastic limit

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