NDLI: Into the Swing of Things

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Into the Swing of Things

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Bertelsen, Doug
Copyright Year	2014
Description	After watching a 1940 film clip of the "Galloping Gertie" bridge collapse and a teacher demo with a simple pendulum, student groups discuss and then research the idea of motion that repeats itself—specifically the concepts of periodic and harmonic motion. They learn the basic properties of this type of motion (period, amplitude, frequency) and how the rearrangement of the simple pendulum equation can be used to solve for gravitational acceleration, pendulum length and gravity. After watching a 1940 film clip of the "Galloping Gertie" bridge collapse and a teacher demo with a simple pendulum, student groups discuss and then research the idea of motion that repeats itself—specifically the concepts of periodic and harmonic motion. They become aware of where and how these types of motion occur and affect them in everyday applications, both natural (seasons, tides, waves) and engineered (swings, clocks, mechanical systems). They learn the basic properties of this type of motion (period, amplitude, frequency) and how the rearrangement of the simple pendulum equation can be used to solve for gravitational acceleration, pendulum length and gravity. At lesson end, students are ready to conduct the associated activity during which they conduct experiments that utilize swinging Android® devices as pendulums.
Language	English
Access Restriction	Open
Rights Holder	Regents of The University of Colorado Board of Regents, University of Nebraska
Subject Keyword	Physics Amplitude Periodic Motion Repeating Motion Simple Pendulum Equation Harmonic Motion Small-angle Approximation Pendulum Pendulum Equation
Content Type	Text Video
Time Required	PT30M
Education Level	Class IX Class X Class XI Class XII
Pedagogy	Lecture cum Demonstration
Resource Type	Notes
Subject	Physics

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