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written by Fu-Kwun Hwang
edited by Loo Kang Wee and Wolfgang Christian
The Micrometer Model shows the principle of operation and the physical parts of a real micrometer. Micrometers use a screw to amplify distances that are too small to measure directly into large rotations of the screw that are big enough to read from a scale. The accuracy of a micrometer derives from the accuracy of the thread that is at its heart. The basic operating principle of a micrometer is that the rotation of an accurately made screw can be directly and precisely correlated to a certain amount of axial movement (and vice-versa), through the constant known as the screw's lead.
The Micrometer model was created using the Easy Java Simulations (EJS) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double click the ejs_ntnu_Micrometer.jar file to run the program (Java must be installed).
Please note that this resource requires at least version 1.5 of Java (JRE).
View the source code document attached to this resource
AAAS Benchmark Alignments (2008 Version)
3. The Nature of Technology
3B. Design and Systems
11. Common Themes
AAAS Benchmark Alignments (1993 Version)
12. HABITS OF MIND
B. Computation and Estimation
C. Manipulation and Observation
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Is Based On Easy Java Simulations Modeling and Authoring Tool
The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Micrometer Model.relation by Wolfgang Christian
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