 |  Solid Mechanics 30 Flashcards |  Start |
 | What is the unit of stress in the International System of Units (SI)? |  Card: 1 / 30 |
| Pascal (Pa) | Card: 2 / 30 |
| True or False: Bulk stress is defined as the normal outward force per unit area. | Card: 3 / 30 |
| False. Bulk stress is defined as the normal inward force per unit area. | Card: 4 / 30 |
| Riddle: I measure the ratio of total displacement to original length, and I'm dimensionless. What am I? | Card: 5 / 30 |
| Normal strain | Card: 6 / 30 |
| What is the formula for true stress? | Card: 7 / 30 |
| ΣT = load/Instantaneous area = σ(1 + ε) | Card: 8 / 30 |
| Fill in the blank: According to Hooke's law, the stress is directly proportional to ______. | Card: 9 / 30 |
| Strain | Card: 10 / 30 |
| Which of the following is a characteristic that allows a material to return to its original shape after the load is removed? A) Plasticity B) Elasticity C) Ductility D) Brittleness | Card: 11 / 30 |
| B) Elasticity | Card: 12 / 30 |
| True or False: Ductility allows a material to be drawn into thin sheets without breaking. | Card: 13 / 30 |
| True | Card: 14 / 30 |
| What is the relationship between shear stress (ζ) and shear strain (γ) according to Hooke's law? | Card: 15 / 30 |
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| Ζ = γG | Card: 16 / 30 |
| Riddle: I am the ability of a material to absorb energy without breaking, yet I can be tough. What am I? | Card: 17 / 30 |
| Toughness | Card: 18 / 30 |
| Fill in the blank: The ratio of lateral strain to longitudinal strain is known as ______. | Card: 19 / 30 |
| Poisson's ratio (μ) | Card: 20 / 30 |
| What happens to the stress in true stress-strain curves after necking occurs? | Card: 21 / 30 |
| The true stress increases after necking. | Card: 22 / 30 |
| MCQ: What is the formula for elongation of a prismatic bar under tension? A) δ = PL/AE B) δ = WL/2AE C) δ = ωL²/2EA D) δ = P/A | Card: 23 / 30 |
| A) δ = PL/AE | Card: 24 / 30 |
| True or False: The true strain is defined as the ratio of the load to the cross-sectional area at any instant. | Card: 25 / 30 |
| False. The true strain is defined as the natural log of the ratio of the original length to the current length. | Card: 26 / 30 |
| What type of strain is defined as the change in length due to deformation in the direction of the force? | Card: 27 / 30 |
| Longitudinal strain | Card: 28 / 30 |
| What is the unit of stress in the International System of Units (SI)? | Card: 29 / 30 |
| Pascal (Pa) | Card: 30 / 30 |
| Completed! Keep practicing to master all of them. |  Restart |
