mechanics
Forces and motion principles
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- ffsshhttiikk/opencode-agents-skills
- Last source activity
- February 28, 2026 at 22:52
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- English
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- 3
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SKILL.md
Source instructions · Read-only preview- name
- mechanics
- description
- Forces and motion principles
- license
- MIT
- compatibility
- opencode
- metadata
- {"audience":"engineers","category":"physics"}
## What I do
- Analyze static equilibrium and structures
- Calculate stresses and strains in materials
- Solve dynamics problems for particles and rigid bodies
- Model energy and work relationships
- Analyze simple machines and mechanisms
- Apply impact and impulse momentum concepts
## When to use me
When analyzing structures, designing mechanical systems, or studying motion under forces.
## Key Concepts
- **Static Equilibrium**: ΣF = 0, ΣM = 0 for non-moving systems
- **Stress-Strain**: σ = F/A, ε = ΔL/L, Hooke's law σ = Eε
- **Work-Energy**: W = ∫F·ds, kinetic energy T = ½mv²
- **Impulse-Momentum**: J = ∫Fdt = Δp
- **Simple Machines**: Mechanical advantage MA = F_out/F_in
- **Centroid**: Geometric center for area/mass calculations
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