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関連する概念動画

Principle of Virtual Work: Problem Solving01:13

Principle of Virtual Work: Problem Solving

1.3K
The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium of a structure or system. It is based on the assumption that if a system is in equilibrium, the work done by all the forces during a virtual displacement is zero. This principle is applied by considering virtual displacements of the system and the corresponding work done by internal and external forces.
To apply the principle of virtual work,...
1.3K
Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

471
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
471
Social Facilitation01:04

Social Facilitation

32.8K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
32.8K

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関連する実験動画

Updated: Sep 10, 2025

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

13.4K

問題の難しさと専門知識は,仮想の具体化タスクでの計画パフォーマンスを調整します.

Riccardo Moretti1,2, Jeremy Gordon3, Antonella Maselli4

  • 1Institute of Cognitive Sciences and Technologies, National Research Council, Rome, Italy.

Journal of neurophysiology
|August 27, 2025
PubMed
まとめ
この要約は機械生成です。

熟練したクライマーはボウルディングで優れた認知能力と運動計画能力を発揮し,特に難しい問題に対して,未経験者よりも効果的にルートを計画します. 専門知識は,物理的に要求するタスクの計画と戦略の深さを高めます.

キーワード:
アフォーダンスボールダリング登る専門知識計画する

さらに関連する動画

Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another
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Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another

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Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
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Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

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関連する実験動画

Last Updated: Sep 10, 2025

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

13.4K
Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another
05:12

Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another

Published on: September 18, 2017

546.7K
Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
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Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

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科学分野:

  • 認知心理学
  • モーター コントロール
  • スポーツ科学

背景:

  • ボールデリングのような 厳しい作業の専門知識は 計画能力と結びついています
  • ボウルダリングにおける認知計画と運動計画の相互作用はよく理解されていません.

研究 の 目的:

  • 専門知識が岩石の路線計画にどのように影響するか調査する.
  • 問題の難しさが計画精度と戦略に与える影響を調べる.

主な方法:

  • 熟練した登山家も初心者も 難問も難問も ほぼ解決しました
  • 手の動きの順番を計画し選択するためにカスタムアプリが使用されました.

主要な成果:

  • 登山者はより難しい問題に対して 速度が遅く,精度が低かったので 運動の困難を計画精度と結びつけました
  • 専門家は,初心者よりも深刻な計画エラーが少なく,問題解決の速度が速いことを示しました.
  • 初心者は 簡単な問題に対して より短視的な間違いを犯しました

結論:

  • 専門知識は 認知計画と運動計画の関係を 大きく調整します
  • 物理的に制約された環境では 計画深さと戦略が不可欠です
  • 具体化シミュレーションに関するさらなる研究は,専門的なパフォーマンスメカニズムを明らかにすることができます.