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Related Concept Videos

Quantifying Work02:30

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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. 
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Work01:14

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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.
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The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
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Work is done on an object when energy is transferred to the object. In other words, work is done when a force acts on a body that undergoes a displacement from one position to another. By definition, the work done by a force is the integral of the force with respect to the displacement along its path. Forces can vary as a function of position, and displacements can occur along various paths between two points. The magnitude of a force multiplied by the cosine of the angle that the force makes...
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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.
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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.
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Measurement of Spatial Stability in Precision Grip
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Much work to do about measuring work.

Cathy J Bradley1,2, Sara Kitchen1, Kelsey M Owsley3,4

  • 1Department of Health Systems, Management, and Policy, Colorado School of Public Health, Aurora, CO, USA.

Journal of the National Cancer Institute
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Work ability is crucial for cancer patients, yet it

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Area of Science:

  • Oncology
  • Occupational Health
  • Health Services Research

Background:

  • Work ability is a vital indicator of economic and well-being status for cancer patients.
  • Current research and clinical practices inadequately address and document work ability.
  • A lack of standardized methods for collecting and analyzing work outcomes hinders progress.

Purpose of the Study:

  • To propose a conceptual framework for integrating work ability into cancer patient outcomes research.
  • To advocate for standardized measures and data collection for employment and work ability.
  • To guide treatment decisions and minimize economic consequences for patients and caregivers.

Main Methods:

  • Review of existing literature and identification of gaps in work ability research.
  • Development of a conceptual framework for measuring work ability in clinical and research settings.
  • Proposal of specific constructs for employment and work ability measurement.

Main Results:

  • Identified critical need for common measures translating functioning into work outcomes.
  • Highlighted the importance of standardized data collection and longitudinal analysis.
  • Proposed inclusion of metrics like return to work, hours worked, and productivity.

Conclusions:

  • Integrating work ability assessment into cancer care research can lead to improved treatments.
  • Standardized approaches will aid in reducing health inequities and supporting patients/caregivers.
  • Focusing on work ability can help patients and caregivers better balance work and health demands.