A number of common substances are Some of these materials exhibit characteristics of both solid and fluid behavior under different conditions. Explain and give examples.

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Answer 1

Textbook Question

Chapter 1, Problem 1P

A number of common substances are

Chapter 1, Problem 1P, A number of common substances are Some of these materials exhibit characteristics of both solid and

Some of these materials exhibit characteristics of both solid and fluid behavior under different conditions. Explain and give examples.

Expert Solution & Answer

To determine

Identify the materials that exhibit the characteristics of both solid and fluid under different condition.

Explanation of Solution

Wax, Tar and Jello have the characteristics of solid at room temperature and below at ordinary pressure. However, they exhibit fluid characteristics at high pressure over long periods. They liquefy and exist as viscous fluids at high temperature.

Silly putty and modelling clay exhibit fluid behavior when they are slowly sheared. But sudden application of stress leads to fracture, which is a characteristic of a solid.

Shaving cream and toothpaste behaves like a solid when at rest in the tube. But when they are squeezed, they flow out of the tube like a fluid.

Similarly, sand behaves as solid when at rest and flows down when placed on an incline.

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For some viscoelastic polymers that are subjected to stress relaxation tests, the stress decays with time according to a(t) = a(0) exp(-4) (15.10) where σ(t) and o(0) represent the time-dependent and initial (i.e., time = 0) stresses, respectively, and t and T denote elapsed time and the relaxation time, respectively; T is a time-independent constant characteristic of the material. A specimen of a viscoelastic polymer whose stress relaxation obeys Equation 15.10 was suddenly pulled in tension to a measured strain of 0.5; the stress necessary to maintain this constant strain was measured as a function of time. Determine E (10) for this material if the initial stress level was 3.5 MPa (500 psi), which dropped to 0.5 MPa (70 psi) after 30 s.

Answer 2

Textbook Question

Chapter 1, Problem 1P

A number of common substances are

Chapter 1, Problem 1P, A number of common substances are Some of these materials exhibit characteristics of both solid and

Some of these materials exhibit characteristics of both solid and fluid behavior under different conditions. Explain and give examples.

Expert Solution & Answer

To determine

Identify the materials that exhibit the characteristics of both solid and fluid under different condition.

Explanation of Solution

Wax, Tar and Jello have the characteristics of solid at room temperature and below at ordinary pressure. However, they exhibit fluid characteristics at high pressure over long periods. They liquefy and exist as viscous fluids at high temperature.

Silly putty and modelling clay exhibit fluid behavior when they are slowly sheared. But sudden application of stress leads to fracture, which is a characteristic of a solid.

Shaving cream and toothpaste behaves like a solid when at rest in the tube. But when they are squeezed, they flow out of the tube like a fluid.

Similarly, sand behaves as solid when at rest and flows down when placed on an incline.

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02:39

Answer 3

Textbook Question

Chapter 1, Problem 1P

A number of common substances are

Chapter 1, Problem 1P, A number of common substances are Some of these materials exhibit characteristics of both solid and

Some of these materials exhibit characteristics of both solid and fluid behavior under different conditions. Explain and give examples.

Expert Solution & Answer

To determine

Identify the materials that exhibit the characteristics of both solid and fluid under different condition.

Explanation of Solution

Wax, Tar and Jello have the characteristics of solid at room temperature and below at ordinary pressure. However, they exhibit fluid characteristics at high pressure over long periods. They liquefy and exist as viscous fluids at high temperature.

Silly putty and modelling clay exhibit fluid behavior when they are slowly sheared. But sudden application of stress leads to fracture, which is a characteristic of a solid.

Shaving cream and toothpaste behaves like a solid when at rest in the tube. But when they are squeezed, they flow out of the tube like a fluid.

Similarly, sand behaves as solid when at rest and flows down when placed on an incline.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

02:39

Answer 4

Textbook Question

Chapter 1, Problem 1P

A number of common substances are

Chapter 1, Problem 1P, A number of common substances are Some of these materials exhibit characteristics of both solid and

Some of these materials exhibit characteristics of both solid and fluid behavior under different conditions. Explain and give examples.

Expert Solution & Answer

To determine

Identify the materials that exhibit the characteristics of both solid and fluid under different condition.

Explanation of Solution

Wax, Tar and Jello have the characteristics of solid at room temperature and below at ordinary pressure. However, they exhibit fluid characteristics at high pressure over long periods. They liquefy and exist as viscous fluids at high temperature.

Silly putty and modelling clay exhibit fluid behavior when they are slowly sheared. But sudden application of stress leads to fracture, which is a characteristic of a solid.

Shaving cream and toothpaste behaves like a solid when at rest in the tube. But when they are squeezed, they flow out of the tube like a fluid.

Similarly, sand behaves as solid when at rest and flows down when placed on an incline.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

Identify the materials that exhibit the characteristics of both solid and fluid under different condition.

Explanation of Solution

Wax, Tar and Jello have the characteristics of solid at room temperature and below at ordinary pressure. However, they exhibit fluid characteristics at high pressure over long periods. They liquefy and exist as viscous fluids at high temperature.

Silly putty and modelling clay exhibit fluid behavior when they are slowly sheared. But sudden application of stress leads to fracture, which is a characteristic of a solid.

Shaving cream and toothpaste behaves like a solid when at rest in the tube. But when they are squeezed, they flow out of the tube like a fluid.

Similarly, sand behaves as solid when at rest and flows down when placed on an incline.

Answer 8

Expert Solution & Answer

To determine

Identify the materials that exhibit the characteristics of both solid and fluid under different condition.

Explanation of Solution

Wax, Tar and Jello have the characteristics of solid at room temperature and below at ordinary pressure. However, they exhibit fluid characteristics at high pressure over long periods. They liquefy and exist as viscous fluids at high temperature.

Silly putty and modelling clay exhibit fluid behavior when they are slowly sheared. But sudden application of stress leads to fracture, which is a characteristic of a solid.

Shaving cream and toothpaste behaves like a solid when at rest in the tube. But when they are squeezed, they flow out of the tube like a fluid.

Similarly, sand behaves as solid when at rest and flows down when placed on an incline.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

Identify the materials that exhibit the characteristics of both solid and fluid under different condition.

Answer 12

Explanation of Solution

Wax, Tar and Jello have the characteristics of solid at room temperature and below at ordinary pressure. However, they exhibit fluid characteristics at high pressure over long periods. They liquefy and exist as viscous fluids at high temperature.

Silly putty and modelling clay exhibit fluid behavior when they are slowly sheared. But sudden application of stress leads to fracture, which is a characteristic of a solid.

Shaving cream and toothpaste behaves like a solid when at rest in the tube. But when they are squeezed, they flow out of the tube like a fluid.

Similarly, sand behaves as solid when at rest and flows down when placed on an incline.