Item 2 Part A Determine the average normal strains along side A B . Express your

Question

Item 2

Part A

Determine the average normal strains along side AB.

Express your answer to three significant figures.

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Part B

Determine the average normal strains along diagonal BD.

Express your answer to three significant figures.

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Part C

Determine the average normal strains along diagonal AC.

Express your answer to three significant figures.

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Item 2

The corners of the square plate are given the displacements indicated with d1=0.20 in. and d2=0.50 in. (Figure 1)

Part A

Determine the average normal strains along side AB.

Express your answer to three significant figures.

AB= in./in.

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Part B

Determine the average normal strains along diagonal BD.

Express your answer to three significant figures.

BD= in./in.

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Part C

Determine the average normal strains along diagonal AC.

Express your answer to three significant figures.

AC= in./in.

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please mark your asnwers and make sure they are right thanks

12 in 12 in 2 in

Explanation / Answer

AB

d1 = 0.2

d2 = 0.5

dl = sqrt( (12 + d1)^2 + (12 - d2)^2) - 12*sqrt(12)

= -0.20482

e = dl/l =

b)

BD dl = (24 -2 d1 ) - 24 = -2 d1 = -0.4

e = dl/l = -0.4 / 24 = -0.016666

c)

AC

dl = (24 + 2*d2) -24 = = 2*0.5 = 1

e = dl/l = 1/24 = 0.0416

Please rate

-0.01207

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