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Showing 1 to 15 of 145 results Save | Export
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Robertson, Amy D.; Goodhew, Lisa M.; Scherr, Rachel E.; Heron, Paula R. L. – Physical Review Physics Education Research, 2021
Existing research identifying common student ideas about forces focuses on students' misunderstandings, misconceptions, and difficulties. In this paper, we characterize student thinking in terms of resources, framing student thinking as continuous with formal physics. Based on our analysis of 2048 written responses to conceptual questions, we…
Descriptors: College Students, Knowledge Level, Physics, Scientific Concepts
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Schäfle, Claudia; Kautz, Christian – Physical Review Physics Education Research, 2021
We report on an investigation of student thinking about steady-state pipe flow of an incompressible fluid. About 250 undergraduate engineering students were given a test consisting of two hydrodynamics questions, combining multiple-choice format with subsequent open-ended explanations. There is substantial evidence that students have difficulty…
Descriptors: Science Instruction, College Science, Undergraduate Students, Scientific Principles
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Ben-Abu, Yuval – Physics Education, 2019
The conservation law of energy and momentum can be examined and demonstrated by a well-known collision experiment. In this experiment, several identical elastic balls are suspended from a horizontal frame. When the ball at one end is pulled aside and released, thus allowing it to swing like a pendulum, it hits the next ball. The outcome is…
Descriptors: Physics, Science Instruction, Energy, Motion
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Liu, Chia-Yu; Wu, Chao-Jung; Chiou, Guo-Li; Wong, Wing-Kwong – Journal of Baltic Science Education, 2022
Proposing scientific descriptions is critical for individuals to cope with daily problems and acquire essential information. Nonetheless, few classes have enhanced students' ability to describe facts of scientific phenomena. Thus, using a tool of technology-based laboratory, this research examined whether students' scientific descriptions and…
Descriptors: Undergraduate Students, Mathematical Models, Science Instruction, Scientific Principles
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DiLisi, Greg – Physics Teacher, 2019
The author, Greg DeLisi, a professor at John Carroll University, is always looking for ways to bring current events into his introductory physics classroom or laboratory. He is especially interested in finding examples where basic principles of physics can be used to cast skepticism on assertions made by celebrities, politicians, or professional…
Descriptors: Science Instruction, Physics, Scientific Concepts, College Students
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Tan, B. T. G. – Physics Education, 2018
This article discusses, at a simple level, the dynamics of the wheel-rail interface, which is fundamental to the stability of rail vehicles. The physics underlying this topic deserves to be better known by physicists and physics students, as it underpins such an important part of our technological infrastructure
Descriptors: Science Instruction, Physics, Scientific Concepts, Motion
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Kapotis, Efstratios; Kalkanis, George – Physics Teacher, 2016
According to the principle of equivalence, it is impossible to distinguish between gravity and inertial forces that a noninertial observer experiences in his own frame of reference. For example, let's consider an elevator in space that is being accelerated in one direction. An observer inside it would feel as if there was gravity force pulling him…
Descriptors: Science Instruction, Physics, Scientific Principles, Motion
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Riggs, Peter J. – Physics Teacher, 2016
Kinetic energy and momentum are indispensable dynamical quantities in both the special theory of relativity and in classical mechanics. Although momentum and kinetic energy are central to understanding dynamics, the differences between their relativistic and classical notions have not always received adequate treatment in undergraduate teaching.…
Descriptors: Kinetics, Energy, Motion, Physics
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Dean, Kevin; Mathew, Jyothi – European Journal of Physics Education, 2016
A theoretical analysis is presented, showing the derivations of seven different linearization equations for the conical pendulum period "T", as a function of radial and angular parameters. Experimental data obtained over a large range of fixed conical pendulum lengths (0.435 m-2.130 m) are plotted with the theoretical lines and…
Descriptors: Equations (Mathematics), Motion, Science Experiments, Physics
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Sokolowski, Andrzej – Physics Education, 2017
Graphs in physics are central to the analysis of phenomena and to learning about a system's behavior. The ways students handle graphs are frequently researched. Students' misconceptions are highlighted, and methods of improvement suggested. While kinematics graphs are to represent a real motion, they are also algebraic entities that must satisfy…
Descriptors: Graphs, Physics, Science Instruction, Misconceptions
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Troy, Tia; Reiner, Megan; Haugen, Andrew J.; Moore, Nathan T. – Physics Education, 2017
The work describes an analogy-based small oscillations analysis of a standard static equilibrium lab problem. In addition to force analysis, a potential energy function for the system is developed, and by drawing out mathematical similarities to the simple harmonic oscillator, we are able to describe (and experimentally verify) the period of small…
Descriptors: Conservation (Concept), Energy, Motion, Physics
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Claycomb, James R.; Valentine, John H. – Physics Education, 2015
A low-cost chaos dynamics lab is developed for quantitative demonstration of the butterfly effect using a magnetic pendulum. Chaotic motion is explored by recording magnetic time series. Students analyze the data in Excel® to investigate the butterfly effect as well as the reconstruction of the strange attractor using time delay plots. The lab…
Descriptors: Science Instruction, Physics, Science Laboratories, Scientific Principles
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Grosu, Ioan; Featonby, David – Physics Education, 2016
This driven top is quite a novelty and can, with some trials, be made using the principles outlined here. This new top has many applications in developing both understanding and skills and these are detailed in the article. Depending on reader's available time and motivation they may feel an urge to make one themselves, or simply invest a few…
Descriptors: Science Instruction, Physics, Motion, Scientific Principles
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Cross, Rod – Physics Education, 2015
The act of swinging an object such as a hammer or a tennis racket involves the application of forces and torques in a manner that is intuitively obvious to the person performing the task, but is probably much less obvious to the average physics student. This article describes the basic mechanics of the problem.
Descriptors: Science Instruction, Motion, Scientific Principles, Mechanics (Physics)
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Rebilas, Krzysztof – Physics Teacher, 2013
Consider a skier who goes down a takeoff ramp, attains a speed "V", and jumps, attempting to land as far as possible down the hill below (Fig. 1). At the moment of takeoff the angle between the skier's velocity and the horizontal is [alpha]. What is the optimal angle [alpha] that makes the jump the longest possible for the fixed magnitude of the…
Descriptors: Problem Solving, Motion, Science Instruction, Introductory Courses
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