PHYS 1750: SELECTED TOPICS in PHYSICS
LECTURE 09. Statics Applications and Elasticity
| 5.5. | Applications and Problem Solving | |
| 1. | Holding things | |
| 2. | Scaffolding | |
| 3. | Ladders | |
| 5.6. | Simple Machines | |
| Advantage: less force required. Disadvantage: less displacement. | ||
| 1. | Levers | |
| 2. | (frictionless) Pulleys: tension constant on rope. | |
| 5.7. | Biological Applications | |
| 5.8. | Deformation of Solids | |
| 1. | Stretching/squeezing: Young's modulus | |
| ΔL/L = (F/A)/γ | ||
| 2. | Sideways shear: shear modulus | |
| Δx/h = (F/A)/S | ||
| 3. | Volume change: bulk modulus | |
| ΔV/V = (F/A)/B | ||