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Related Concept Videos

Principle of Virtual Work: Problem Solving01:13

Principle of Virtual Work: Problem Solving

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,...
Quantifying Work02:30

Quantifying Work

As a system undergoes a change, its internal energy can change, and energy can be transferred from the system to the surroundings, or from the surroundings to the system.
Virtual Work01:20

Virtual Work

The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
Work01:22

Work

Work is done when energy is transferred from one object to another. In other words, work is when a force acts on something that undergoes a displacement from one position to another. Forces can vary as a function of position, and displacements can be along various paths between two points. The increment of work (dW) done by a force acting through an infinitesimal displacement can be defined as the dot product of force () and displacement () vectors.
The dot product can be expressed in terms of...
Work01:14

Work

Work is a fundamental concept of mechanical engineering and has many applications. Understanding how work is calculated and the different types of work can help us better understand physical processes and provide insights into complex problems.
Work is defined as the result of a force acting on an object, causing it to move along the line of action of force. It is also defined as the process of transferring energy through the application of force on an object, resulting in its displacement.
Interdisciplinary Care: The Health Care Team-II01:18

Interdisciplinary Care: The Health Care Team-II

An interdisciplinary team includes many healthcare professionals working together and utilizing their skills, knowledge, and expertise to provide holistic and quality patient care. Here are a few more healthcare professionals.
Physical Therapist
A physical therapist (PT) aims to restore function or prevent additional impairment in a patient following an injury or disease. Massage, heat, cold, water, sonar waves, exercises, and electrical stimulation are some treatments used by PTs to treat...

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Related Experiment Video

Updated: Jun 23, 2026

The HoneyComb Paradigm for Research on Collective Human Behavior
06:48

The HoneyComb Paradigm for Research on Collective Human Behavior

Published on: January 19, 2019

Boundary work in knowledge teams.

Samer Faraj1, Aimin Yan

  • 1Desautels School of Management, McGill Unioversity, Montreal, Canada. samer.faraj@mcgill.ca

The Journal of Applied Psychology
|May 20, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces a model of team boundary activities, showing how boundary spanning, buffering, and reinforcement impact team performance and psychological safety, especially within uncertain and resource-scarce environments.

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Area of Science:

  • Organizational Behavior
  • Team Dynamics
  • Social Psychology

Background:

  • Traditional team research often overlooks external interactions.
  • An open systems perspective is crucial for understanding team functioning.
  • Team boundary activities are key to managing external environments.

Purpose of the Study:

  • To propose and validate a model of team boundary activities (spanning, buffering, reinforcement).
  • To examine the impact of these activities on team performance and psychological safety.
  • To investigate the moderating roles of organizational context (task uncertainty, resource scarcity) and the mediating role of psychological safety.

Main Methods:

  • Empirical testing using data from 64 software development teams.
  • Development of a theoretical model linking boundary activities, performance, and psychological safety.
  • Statistical analysis to assess direct, moderated, and mediated relationships.

Main Results:

  • Boundary spanning, buffering, and reinforcement positively correlate with team performance.
  • These boundary activities also positively relate to team psychological safety.
  • Team task uncertainty and resource scarcity moderate the relationships between boundary activities and both performance and psychological safety.

Conclusions:

  • Team boundary activities are critical for enhancing performance and psychological safety.
  • Organizational context significantly influences the effectiveness of boundary work.
  • Findings offer practical insights for managing teams in complex environments and suggest future research directions.