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 |