Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Work of a Couple Moment01:12

Work of a Couple Moment

Mechanical engineering involves the study of motion, energy, and force, and is concerned with designing, manufacturing, and maintaining mechanical systems. One important concept in this field is the couple moment, produced by two equal and opposite forces acting at two points in a rigid body separated by a certain distance.
When the rigid body undergoes a differential displacement due to a couple, its motion can be divided into two parts: equal translation of the two points to their final...
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.
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...
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.
Work Done by Gravity01:04

Work Done by Gravity

Gravitation is one of the four fundamental forces in nature. The force between objects on Earth and Earth itself is called gravity.
Like other forces, gravity does work on an object if it displaces it toward the Earth's center. In this case, the work done by gravity is said to be positive. If an external force acts on the object against the pull of gravity and manages to lift it away from the Earth's center, work is done against gravity. In this case, the net work done is said to be negative.
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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Introducing an Expanded Trinucleotide Repeat Tract into the Human Genome for Huntington's Disease Modeling In Vitro.

Current protocols in human genetics·2020
Same author

Tuning the Fabrication of Nanostructures by Low-Energy Highly Charged Ions.

Physical review letters·2016
Same author

Revealing all.

The Lancet. Infectious diseases·2003
Same author

Itching bites may limit Ross River virus infection.

The Medical journal of Australia·2003

Related Experiment Video

Updated: Jun 6, 2026

Tickling, a Technique for Inducing Positive Affect When Handling Rats
05:37

Tickling, a Technique for Inducing Positive Affect When Handling Rats

Published on: May 8, 2018

The delight that work alone can give.

Michael Sorokin1

  • 1msorok01@bigpond.net.au

The Medical Journal of Australia
|December 15, 2010
PubMed
Summary
This summary is machine-generated.

A man provided medical services for over 20 years without qualifications. This case highlights serious gaps in medical regulation and patient safety in South Australia.

More Related Videos

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment
06:50

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment

Published on: December 29, 2014

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement
12:22

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement

Published on: July 1, 2015

Related Experiment Videos

Last Updated: Jun 6, 2026

Tickling, a Technique for Inducing Positive Affect When Handling Rats
05:37

Tickling, a Technique for Inducing Positive Affect When Handling Rats

Published on: May 8, 2018

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment
06:50

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment

Published on: December 29, 2014

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement
12:22

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement

Published on: July 1, 2015

Area of Science:

  • Medical ethics
  • Public health policy
  • Healthcare regulation

Background:

  • Robert "The Prof" Bedford practiced medicine in South Australia for more than two decades.
  • He lacked any formal medical qualifications or licenses during his practice.

Discussion:

  • This case raises significant concerns regarding the oversight of medical practitioners.
  • It highlights potential vulnerabilities in the healthcare system that could allow unqualified individuals to provide services.

Key Insights:

  • The prolonged practice of an unqualified individual underscores regulatory failures.
  • Patient safety was potentially compromised over a 20-year period.

Outlook:

  • Strengthening regulatory frameworks is crucial to prevent future occurrences.
  • Enhanced patient protection measures are needed in healthcare settings.