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Learners examine the formulas for calculating work in ft-lb units and power in ft-lb/min. units. Practice problems are included.
By Patrick Hoppe
Students read an introduction to transformers that includes schematic symbols, turns ratios, mutual inductance, and the coefficient of coupling.
Digital Terrain Model: Extrapolation of Elevations
By Steve Whitmoyer
Students read how to determine the elevation of an alignment or cross section where it crosses the TIN.
Multi-Rung Control in a Ladder Circuit
By Terry Bartelt
Learners study the operation of a ladder circuit in which coils on one rung control contacts in other rungs.
The Relationship of Data File Addresses to I/O Modules
In this animated learning object, students examine the addresses of PLC elements and how they pertain to I/O connections and internal memory files.
AC Current Flow
In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.
Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.
Students read about the concept of true power and view examples of how it is dissipated as heat is provided.
Learners read an explanation of the concept of apparent power in a power distribution system involving motors, generators, and transformers. A quiz completes this interactive lesson.
Students read an explanation of reactive power in a power distribution system involving motors, generators and transformers. A brief quiz completes the activity.
Earth Science Key Terms Hangmoon
This Hangmoon game goes over some Science and Physics terms.
Work and Power Formulas
Grade 8 Physical Science
Tic-Tac-Toe Game of Ergonomic Principles (Ref: Ergonomics: The Study of Work OSHA 3125)
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Give your new group a name.