Whether the elastic modulus of material decreases or increases with increase in temperature.

Question

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Answer 1

Question

Chapter 9, Problem 1CQ

To determine

Whether the elastic modulus of material decreases or increases with increase in temperature.

Expert Solution & Answer

Answer to Problem 1CQ

The elastic modulus of material decreases with increase in temperature

Explanation of Solution

Elastic modulus can be defined as the ratio of applied stress to the obtained strain in the body up to proportional limit. Elastic modulus can also be defined as the slope of curve for applied stress versus strain in specimen up to the elastic limit of material.

Elastic modulus is a mechanical property of a material and it depends on the temperature of material. The modulus of Elasticity of material is directly proportional to its change in temperature. As the temperature of material increase the elastic modulus of material decreases proportionally.

When the temperature increases, the distance between the atoms in the material increases and they move farther from each other. Increasing temperature reduces the strength of material and its elastic modulus.

Conclusion:

Thus, the elastic modulus of material decreases with increase in temperature

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Refer to the figure below. A strip load of q = 870 lb/ft² is applied over a width B = 36 ft. Determine the increase in vertical stress at point A located z = 15 ft below the surface. Given: x = 27 ft. Use the table below. B q = Load per unit area Aσ A Table 1 Variation of Ao/go with 2z/B and 2x/B 2x/B 2z/B 1.3 1.4 1.5 1.6 0.00 0.000 0.000 0.000 1.7 0.000 0.000 0.10 0.007 0.003 0.002 0.001 0.001 0.20 0.040 0.020 0.011 0.30 0.090 0.052 0.031 0.40 0.141 0.090 0.059 0.040 0.027 0.50 0.185 0.128 0.089 0.063 0.60 0.222 0.163 0.120 0.088 0.70 0.250 0.193 0.80 0.273 0.218 0.007 0.004 0.020 0.013 0.046 0.066 0.148 0.113 0.087 0.173 0.137 0.108 0.90 0.291 0.239 0.195 0.158 0.128 1.00 0.305 0.256 0.214 0.177 0.147 (Enter your answer to three significant figures.) lb/ft² Δοχ =

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For the following truss in figure, find the forces in the selected members. 100 100 100 100 100 30 b 15 K e g 6@15

Answer 2

Question

Chapter 9, Problem 1CQ

To determine

Whether the elastic modulus of material decreases or increases with increase in temperature.

Expert Solution & Answer

Answer to Problem 1CQ

The elastic modulus of material decreases with increase in temperature

Explanation of Solution

Elastic modulus can be defined as the ratio of applied stress to the obtained strain in the body up to proportional limit. Elastic modulus can also be defined as the slope of curve for applied stress versus strain in specimen up to the elastic limit of material.

Elastic modulus is a mechanical property of a material and it depends on the temperature of material. The modulus of Elasticity of material is directly proportional to its change in temperature. As the temperature of material increase the elastic modulus of material decreases proportionally.

When the temperature increases, the distance between the atoms in the material increases and they move farther from each other. Increasing temperature reduces the strength of material and its elastic modulus.

Conclusion:

Thus, the elastic modulus of material decreases with increase in temperature

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Answer 3

Question

Chapter 9, Problem 1CQ

To determine

Whether the elastic modulus of material decreases or increases with increase in temperature.

Expert Solution & Answer

Answer to Problem 1CQ

The elastic modulus of material decreases with increase in temperature

Explanation of Solution

Elastic modulus can be defined as the ratio of applied stress to the obtained strain in the body up to proportional limit. Elastic modulus can also be defined as the slope of curve for applied stress versus strain in specimen up to the elastic limit of material.

Elastic modulus is a mechanical property of a material and it depends on the temperature of material. The modulus of Elasticity of material is directly proportional to its change in temperature. As the temperature of material increase the elastic modulus of material decreases proportionally.

When the temperature increases, the distance between the atoms in the material increases and they move farther from each other. Increasing temperature reduces the strength of material and its elastic modulus.

Conclusion:

Thus, the elastic modulus of material decreases with increase in temperature

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Answer 4

Question

Chapter 9, Problem 1CQ

To determine

Whether the elastic modulus of material decreases or increases with increase in temperature.

Expert Solution & Answer

Answer to Problem 1CQ

The elastic modulus of material decreases with increase in temperature

Explanation of Solution

Elastic modulus can be defined as the ratio of applied stress to the obtained strain in the body up to proportional limit. Elastic modulus can also be defined as the slope of curve for applied stress versus strain in specimen up to the elastic limit of material.

Elastic modulus is a mechanical property of a material and it depends on the temperature of material. The modulus of Elasticity of material is directly proportional to its change in temperature. As the temperature of material increase the elastic modulus of material decreases proportionally.

When the temperature increases, the distance between the atoms in the material increases and they move farther from each other. Increasing temperature reduces the strength of material and its elastic modulus.

Conclusion:

Thus, the elastic modulus of material decreases with increase in temperature

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Answer 5

Chapter 9, Problem 1CQ

To determine

Whether the elastic modulus of material decreases or increases with increase in temperature.

Expert Solution & Answer

Answer to Problem 1CQ

The elastic modulus of material decreases with increase in temperature

Explanation of Solution

Elastic modulus can be defined as the ratio of applied stress to the obtained strain in the body up to proportional limit. Elastic modulus can also be defined as the slope of curve for applied stress versus strain in specimen up to the elastic limit of material.

Elastic modulus is a mechanical property of a material and it depends on the temperature of material. The modulus of Elasticity of material is directly proportional to its change in temperature. As the temperature of material increase the elastic modulus of material decreases proportionally.

When the temperature increases, the distance between the atoms in the material increases and they move farther from each other. Increasing temperature reduces the strength of material and its elastic modulus.

Conclusion:

Thus, the elastic modulus of material decreases with increase in temperature

Answer 6

Chapter 9, Problem 1CQ

To determine

Whether the elastic modulus of material decreases or increases with increase in temperature.

Expert Solution & Answer

Answer to Problem 1CQ

The elastic modulus of material decreases with increase in temperature

Explanation of Solution

Elastic modulus can be defined as the ratio of applied stress to the obtained strain in the body up to proportional limit. Elastic modulus can also be defined as the slope of curve for applied stress versus strain in specimen up to the elastic limit of material.

Elastic modulus is a mechanical property of a material and it depends on the temperature of material. The modulus of Elasticity of material is directly proportional to its change in temperature. As the temperature of material increase the elastic modulus of material decreases proportionally.

When the temperature increases, the distance between the atoms in the material increases and they move farther from each other. Increasing temperature reduces the strength of material and its elastic modulus.

Conclusion:

Thus, the elastic modulus of material decreases with increase in temperature

Answer 7

Chapter 9, Problem 1CQ

To determine

Whether the elastic modulus of material decreases or increases with increase in temperature.

Answer 8

Expert Solution & Answer

Answer to Problem 1CQ

The elastic modulus of material decreases with increase in temperature

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Elastic modulus can be defined as the ratio of applied stress to the obtained strain in the body up to proportional limit. Elastic modulus can also be defined as the slope of curve for applied stress versus strain in specimen up to the elastic limit of material.

Elastic modulus is a mechanical property of a material and it depends on the temperature of material. The modulus of Elasticity of material is directly proportional to its change in temperature. As the temperature of material increase the elastic modulus of material decreases proportionally.

When the temperature increases, the distance between the atoms in the material increases and they move farther from each other. Increasing temperature reduces the strength of material and its elastic modulus.

Conclusion:

Thus, the elastic modulus of material decreases with increase in temperature

Answer 12

Ch. 9 - Prob. 1CQ Ch. 9 - Prob. 2CQ Ch. 9 - Prob. 3CQ Ch. 9 - Prob. 4CQ Ch. 9 - Prob. 5CQ Ch. 9 - Prob. 6CQ Ch. 9 - Prob. 7CQ Ch. 9 - Prob. 8CQ Ch. 9 - Prob. 9CQ Ch. 9 - Prob. 10CQ

Whether the elastic modulus of material decreases or increases with increase in temperature.

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Whether the elastic modulus of material decreases or increases with increase in temperature.

Answer to Problem 1CQ

Explanation of Solution

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Chapter 9 Solutions