Engineering Statics
Skills
Every skill in the course, and how you are doing on each.
Vectors, moments, couples, and equivalent force systems
10 more topics with one problem
- Axis moment invariance
- Position cross moment
- Concurrent force sum
- Equilibrant direction cosines
- Force pair moment as free couple
- Resultant vanishes origin independence
- Line of action from moment match
- Planar resultant and origin moment
- Moment component from cross product
- Unnormalized projection is not direction cosine
Particle and rigid-body equilibrium
10 more topics with one problem
Trusses, frames, and machines
10 more topics with one problem
- Method of sections three cut
- Truss global support reactions
- Internal hinge disassembly
- Three pin frame equilibrium
- Compound lever mechanical advantage
- Pin reaction action reaction audit
- Support wrench rank mechanism
- Truss count necessary not sufficient
- Cable support slope tension
- Parabolic cable horizontal thrust
Distributed loads, centroids, and resultants
10 more topics with one problem
- Centroid symmetry and hole
- Composite area signed first moment
- Composite wire mass center
- Gravity moment about origin
- Center of pressure versus centroid
- Hydrostatic resultant on rectangle
- Composite t section centroid
- Parallel axis second moments
- Distributed moment line of action
- Linear pressure force resultant
Dry friction and impending motion
10 more topics with one problem
Potential energy and virtual work
10 more topics with one problem
- Cable length virtual displacement
- Ideal block tackle advantage
- Degenerate equilibrium bifurcation
- Potential energy critical load
- External gear constraint ratio
- Virtual work gear torque
- Rolling virtual displacement ratio
- Silent contact friction recovery
- Circle conservative potential
- Second derivative stability reaction