moment
Let an agent handle moments by type, calculation, units and applications in mechanics and electromagnetism.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Type Which moment.
Kind
Torque, dipole.
Kind
Moment type.
- Which kind of moment is meant? definition
- About which point or axis? definition
Value
Computation.
Value
Value.
- What is its magnitude and direction? measurement
- In which units? definition
Mechanics Balance.
Equilibrium
Balance.
Equilibrium
Equilibrium.
- Do clockwise and anticlockwise moments balance? boundary
- Where should a support be placed? action
Levers
Mechanical advantage.
Levers
Levers.
- What mechanical advantage does this lever give? measurement
- How is it used? definition
Engineering Design.
Bending
Beams.
Bending
Bending moments.
- What is the maximum bending moment in the beam? measurement
- Is the section adequate? boundary
Torque
Fasteners.
Torque
Fastener torque.
- What torque is specified for this fastener? provenance
- Which tool should be used? action
Electromagnetism Dipoles.
Dipoles
Electric and magnetic.
Dipoles
Dipole moments.
- What is the dipole moment and what does it indicate? measurement
- How is it measured? provenance
Senses
Disambiguation.
Senses
Other senses.
- Is a moment of time or a statistical moment meant? boundary
- Which entry fits? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- noun.phenomenon
- Plane
- PHY
- Domain
- PHY.FLW
- Facets: substance
- energy
- Facets: origin
- natural
- Facets: agency
- inert
- Facets: mobility
- not-applicable
- Facets: scale
- not-applicable
- Facets: affordances
- observable
- Other names and narrower kinds
- moment of a couple, dipole moment, electric dipole moment, magnetic dipole moment
What it is Filled
In physics, a turning effect or measure produced by a quantity acting at a distance from a point, such as the moment of a force (torque), the moment of a couple, and electric and magnetic dipole moments.
Why it exists Filled
Let an agent handle moments by type, calculation, units and applications in mechanics and electromagnetism.
Distinguishing features Filled
- Turning effect about a point
- Depends on lever arm
- Vector quantity
- Several physical types
What robots and AI may and may not do Filled
Must not
- Approve a structure, lift or fixing as safe without a qualified engineer.
- Apply torque beyond the specified value to bolts or machinery it controls.
- Mix units of moment in a way that can mislead users.
Only with a human decision
- Any safety decision about lifting, load or structural design.
May
- Compute and explain moments and torque for given data.
- Check that loads on structures or fasteners stay within stated limits.
Moral aspects Filled
- Miscalculated moments cause structural failures, falls and tipping of loads.
- Clear units prevent costly and dangerous errors.
Who is affected
- Workers near loads
- Users of structures
- Engineers
Owners Filled
Steward
Nobody owns the concept; it is held in common.
Links to other meta-models Filled
parent
- oewn-11479041-n - registry parent class
related
- physical quantity - category
- force and lever - mechanics
- structural engineering - application
- moment (time) - another sense
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.moment
- Open English WordNet: oewn-11503385-n
Direct properties required Filled
- unit of torque: newton metre N m
Recognition required Filled
- Force times perpendicular distance
- Units such as newton metres
- Moment as an instant of time is another sense
- Not visible; turning effects on levers, beams and dipoles.
Capabilities and actions required Filled
- compute torque
- check balance and equilibrium
- use moments in structural design
- describe dipole moments
Hazards and failure modes required Filled
- Over-torqued fasteners
- Structural failure from bending moments
- Confusing senses
Standards and interfaces required Filled
- ISO 80000-4 mechanics quantities
- Torque specifications for fasteners
Context of use required Filled
- Analysing rotation, balance, structures and dipoles.
- moment of force (torque)
- moment of a couple
- bending moment
- electric dipole moment
- magnetic dipole moment
Sources Filled
- Open English WordNet 2024, synset oewn-11503385-n - sense and gloss of the concept
- Wiktionary: moment - word senses and usage
Open questions
- Should moment types be separate entries?
- How should torque specs be linked?
- How should the time sense be split off?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-moment/spec.json