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Kinetic energy is the ability of an object in motion to do work or enact change. It can take on many forms. For instance, water flowing down a waterfall has kinetic energy. In biological systems, particles of light travel and are absorbed by plants to create chemical energy. Animals consume the chemical energy and give off molecules that carry their scent through the air. They also generate kinetic energy when they run away from predators. Entire systems also possess kinetic energy, like the...
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When analyzing one-dimensional motion with constant acceleration, the problem-solving strategy involves identifying the known quantities and choosing the appropriate kinematic equations to solve for the unknowns. Either one or two kinematic equations are needed to solve for the unknowns, depending on the known and unknown quantities. Generally, the number of equations required is the same as the number of unknown quantities in the given example. Two-body pursuit problems always require two...
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Related Experiment Video

Updated: Apr 23, 2026

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis
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Kinesiology and Physical Education: A Curriculum (Dis)Alignment Perspective.

Ang Chen1

  • 1Department of Kinesiology, University of North Carolina at Greensboro, Greensboro, NC, USA.

Kinesiology Review (Champaign, Ill.)
|April 22, 2026
PubMed
Summary
This summary is machine-generated.

Curriculum reform is vital for K-12 physical education. Aligning physical education with kinesiology science through health-centered, concept-based curricula can revitalize the field and improve student learning.

Keywords:
K–12 schoolscurriculum reformcurriculum researchknowledge of most worth

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Area of Science:

  • Kinesiology
  • Curriculum Studies
  • Educational Policy

Background:

  • The marginalization of K-12 physical education is linked to curriculum disalignment.
  • Historical events, including the 1991 Critical Crossroads conference, highlight persistent issues.

Purpose of the Study:

  • To explore the reasons for curriculum disalignment in K-12 physical education.
  • To advocate for health-centered, concept-based curricula aligned with kinesiology science.
  • To discuss curriculum reform as a means to revitalize physical education.

Main Methods:

  • Conceptual analysis drawing on historical review.
  • Documentation of 20 years of curriculum intervention research findings.
  • Exploration of paradigm change in curriculum development.

Main Results:

  • Evidence suggests a 20-year effort in curriculum intervention research supports alignment.
  • Findings indicate a need for reform centering on kinesiology science.
  • Implications for student learning are significant.

Conclusions:

  • Aligning K-12 physical education with kinesiology science is essential for curriculum reform.
  • A paradigm shift towards concept-based, health-centered curricula can revitalize the discipline.
  • This alignment promises improved student learning outcomes.