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Related Concept Videos

Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

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A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
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The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
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Internal and External Forces01:12

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Newton's first law states that a net external force causes a change in motion. External forces act on an object or system, originating outside of the object or system. In contrast, internal forces originate inside the system of interest and do not lead to any acceleration. In simpler words, internal forces are forces that act on one part of an object and are exerted by another part of the same object. External forces are forces that act on an object due to some other object. Therefore, when...
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Groupthink01:34

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When in group settings, we are often influenced by the thoughts, feelings, and behaviors around us. Groupthink is another phenomenon of conformity where modification of the opinions of members in a group aligns with what they believe is the group consensus (Janis, 1972). In such situations, the group often takes action that individuals would not perform outside the group setting because groups make more extreme decisions than individuals do. Moreover, groupthink can hinder opposing trains of...
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Newton's Third Law: Introduction00:58

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Whenever one body exerts a force on a second body, the first body experiences a force equal in magnitude and opposite in direction, to the force that it exerts. For instance, when a person pushes on a wall, the wall exerts an equal and opposite force towards the person. This brings us to Newton's third law of motion. Newton's third law represents a certain symmetry in nature: Forces always occur in pairs, and one body cannot exert a force on another without experiencing a force itself.
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Non-conservative Forces01:17

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Non-conservative forces are dissipative forces such as friction or air resistance. These forces take energy away from a system as it progresses. Unlike conservative forces, non-conservative forces do not have potential energy associated with them. This is because the energy is lost to the system and cannot be turned into useful work later.
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Related Experiment Video

Updated: Sep 13, 2025

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
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Is a Third Way Enough to Tame Hidden Forces?

Benoit Morin1

  • 1Executive Health Care Consultant, Founder & President, NIROM Consulting, Montreal, QC, Former Chief Executive Officer, Provincial Health Services, Vancouver, BC, Former Chief Executive Officer, Montreal West Island Health Centre, Montreal, QC.

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|July 31, 2025
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Summary

Exploring a potential third way in healthcare, this commentary questions its sustainability and affordability. It examines rising healthcare costs and suggests redefining universality and equity to address hidden economic forces.

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Area of Science:

  • Health Policy
  • Healthcare Economics
  • Public Health Systems

Background:

  • The Canada Health Act (1985) principles of universality and equity are challenged by unsustainable healthcare cost growth.
  • Current health systems struggle to meet demand amidst escalating financial pressures.
  • Profit-driven R&D, medical advancements, and increasing population needs contribute to rising healthcare expenditures.

Purpose of the Study:

  • To critically evaluate the feasibility and sustainability of a proposed "third way" healthcare model.
  • To explore the societal implications of maintaining healthcare universality and equity in the face of rising costs.
  • To stimulate reflection on potential solutions for healthcare system sustainability.

Main Methods:

  • Commentary and critical analysis building upon a lead article.
  • Examination of economic drivers within the healthcare sector.
  • Discussion of policy principles and their societal underpinnings.

Main Results:

  • A "third way" healthcare model may not be a complete or sustainable solution.
  • The affordability of healthcare universality is a significant societal question.
  • Existing healthcare cost drivers pose substantial challenges to system sustainability.

Conclusions:

  • Redefining universality and equity may be necessary to manage inherent cost-increasing forces in healthcare.
  • The commentary advocates for a deeper societal reflection on healthcare system sustainability.
  • Addressing hidden economic forces is crucial for protecting core healthcare principles.