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Related Concept Videos

Principal Stresses: Problem Solving01:15

Principal Stresses: Problem Solving

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When analyzing two planes intersecting at right angles under the influence of shearing, tensile, and compressive stresses, it is essential to identify principal planes, maximum shearing stress, and principal stresses. To find the principal planes, apply a formula that equates them to twice the shearing stress divided by the difference between tensile and compressive stresses.
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Constraints and Statical Determinacy01:26

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In structural engineering, the equilibrium of a system is not only determined by its equations of equilibrium but also with the help of constraints. Constraints refer to restrictions on the motion of a system. The proper combinations of constraints can minimize the total number of constraints needed to maintain a system in mechanical equilibrium. When this happens, the system is said to be statically determinate. For such systems, the unknown reaction supports can be estimated using equilibrium...
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Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
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Understanding stress on an oblique plane under axial loading is pivotal in material mechanics. This analysis offers insight into a material's durability and strength, which is crucial for civil engineering and structural design. Axial loading refers to force application along the material's central axis, causing compression or elongation and leading to normal stress. Normal stress occurs when a force acts perpendicularly to the material's area, resulting in compressive or tensile...
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Principal Stresses01:24

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The graphical depiction of normal and shearing stress equations is represented by a circle, demonstrating the interplay between these stresses under different angular conditions. The center of this circle C, located on the vertical axis, represents the average normal stress, while its radius shows the range of stress variations. At points A and B, where the circle intersects the horizontal axis, the maximum and minimum normal stresses are observed, occurring without shearing stress. These...
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Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
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St'át'imcets frustratives as not-at-issue modals.

Henry Davis1, Lisa Matthewson1

  • 1Department of Linguistics, University of British Columbia, Totem Field Studios, 2613 West Mall, Vancouver, BC V6T1Z4, Canada.

Linguistics
|November 25, 2024
PubMed
Summary
This summary is machine-generated.

This study analyzes the St'át'imcets frustrative marker séna7, revealing it signals unexpected or suboptimal outcomes based on speaker expectations. It clarifies distinctions between entailments and implicatures, and future vs. prospective aspects in linguistics.

Keywords:
Salishepistemic modalityfrustrativesnon-culminating accomplishmentsprospective aspect

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Area of Science:

  • Linguistics
  • Semantics
  • Pragmatics

Background:

  • The 'frustrative' aspect marks events with unexpected or suboptimal outcomes.
  • Cross-linguistic analysis of such markers is crucial for understanding semantic and pragmatic phenomena.
  • St'át'imcets (Lillooet Salish) possesses a frustrative marker, séna7, requiring detailed investigation.

Purpose of the Study:

  • To analyze the 'frustrative' marker séna7 in St'át'imcets.
  • To compare séna7 with similar markers in other languages (Tohono O'odham, Kimaragang, Tagalog).
  • To propose a unified analysis for frustrative markers, considering tense/aspect systems.

Main Methods:

  • Linguistic analysis of discourse contexts where séna7 appears.
  • Formal semantic and pragmatic argumentation regarding the conditions for séna7's use.
  • Cross-linguistic comparison with data from Tohono O'odham, Kimaragang, and Tagalog.

Main Results:

  • Séna7 applies when a speaker expects a proposition *p* and a salient true proposition *q* not to co-occur.
  • Séna7 encodes epistemic modality, pertaining solely to the speaker's beliefs and not affecting truth conditions.
  • Séna7 serves as a diagnostic for distinguishing entailments from implicatures and future from prospective aspects.

Conclusions:

  • The analysis of séna7 provides insights into epistemic modality and speaker-based meaning.
  • Frustrative markers like séna7 and the Kimaragang frustrative can be unified under a single analysis.
  • Frustratives should be distinguished from non-culminating accomplishments and do not require causal explanations.