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Related Concept Videos

Virtual Work01:20

Virtual Work

876
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...
876
Principle of Virtual Work: Problem Solving01:13

Principle of Virtual Work: Problem Solving

1.2K
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,...
1.2K
Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

421
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,...
421

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Related Experiment Video

Updated: Jul 19, 2025

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology
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Intern Experience Reflects Information Gathered During the Virtual Interview Process.

Jeffrey Melvin1, Hassan Beesley2, Luise I Pernar1

  • 1Avedisian School of Medicine, Boston University Chobanian, Boston, Massachusetts; Department of Surgery, Boston Medical Center, Boston, Massachusetts.

Journal of Surgical Education
|August 10, 2023
PubMed
Summary
This summary is machine-generated.

General surgery interns found that virtual interviews accurately reflected their training experience, with most satisfied with their program. Key resources for program impressions included faculty and resident interviews.

Keywords:
matchrecruitmentresidency applicationsvirtual interviews

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Area of Science:

  • Medical Education
  • Surgical Residency Training
  • Virtual Interviewing Technologies

Background:

  • The COVID-19 pandemic necessitated a shift to virtual interviews for medical residency applications.
  • General surgery applicants expressed concerns about gathering sufficient program information through virtual platforms.
  • This study evaluates the alignment between virtual interview information and actual intern experiences.

Purpose of the Study:

  • To assess how information provided during virtual residency interviews matches the subsequent experience of general surgery interns.
  • To identify the resources interns used to form program impressions during the virtual application cycle.

Main Methods:

  • A survey was distributed to general surgery interns who matched in the 2021 virtual cycle.
  • Program directors were asked to forward the survey to their interns.
  • Data collected included demographics, information resources used, and perceived accuracy of virtual information versus intern experience.

Main Results:

  • 88.2% of 102 surveyed interns reported their experience matched virtual interview expectations; 98% were satisfied.
  • Faculty (40.0%) and resident (68.0%) interviews were crucial for forming accurate program impressions.
  • Interns felt well-informed about culture, surgical volume, and support, though 16.7% perceived some misrepresentation.

Conclusions:

  • Virtual interviews provided a generally accurate preview of general surgery residency training, aligning with intern expectations.
  • Faculty and resident interactions during virtual interviews significantly influenced program ranking and satisfaction.
  • Continued use of virtual interviews is supported, with a recommendation for programs to maintain realistic self-representation.