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IED Unit 4 • Lesson 4.10

Motors and Electromechanical Motion

Focus question: How can electrical energy create useful mechanical motion?

Your lesson guide

Objective

Describe how a motor turns electrical input into rotary motion. Connect motor output to a mechanism or prototype function. Identify basic control factors such as direction, speed, load, and mounting.

Materials

For the online work: a browser and your engineering notebook. Follow the activity’s materials list for any physical build, and get teacher approval before using equipment.

Plan your time

Suggested work block: 45–60 minutes. Physical builds and projects may span several classes; follow your teacher’s schedule.

Mission Briefing

Today’s Plan

Use this page with the lesson presentation, your engineering notebook, and the tools or evidence assigned for Control Mechanical Motion with a Motor.

Learning Targets

  • Describe how a motor turns electrical input into rotary motion.
  • Connect motor output to a mechanism or prototype function.
  • Identify basic control factors such as direction, speed, load, and mounting.

Success Looks Like

You can explain how motors convert electrical energy into mechanical motion and how that motion can drive a mechanism.

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Opening Prompt

How can electrical energy create useful mechanical motion?

Connect your response to the decision, evidence, or quality standard required for Control Mechanical Motion with a Motor.

Reveal: useful engineering move

This lesson is ready to move forward when the evidence meets this standard: The motor is operated safely and the output observation is linked to a defined electrical or mechanical condition.

Core Skill

What We Are Practicing

Key Idea 1

Motors are energy converters inside electromechanical systems.

Key Idea 2

A motor output is only useful if it is connected to a mechanism that performs the needed function.

Key Idea 3

Mounting, load, speed, direction, and power source affect motor performance.

Your Task

Control Mechanical Motion with a Motor

Connect a motor to a safe low-voltage circuit and observe how electrical input affects mechanical output.

  1. Identify the motor terminals and intended motion.
  2. Connect the motor using the approved circuit.
  3. Test direction and response using brief power intervals.
  4. Record one variable that affects speed, torque, or useful motion.

Quality check: The motor is operated safely and the output observation is linked to a defined electrical or mechanical condition.

Lesson Interactive

Configure a Motor Gear Reduction

Predict how gear ratio changes output speed and torque.

Reduction ratio3.0:1
Output speed100 rpm
A larger driven gear creates a reduction: lower output speed and greater torque capability.
What You Will Submit

Motor Motion Evidence

  • One photo or diagram of the verified motor circuit.
  • A short observation describing the motor output.

Submission standard: The motor is operated safely and the output observation is linked to a defined electrical or mechanical condition.

Resources

Lesson Resources

Presentation

Lesson 4.10 PowerPoint

Use the lesson slides for guided practice, interactive checks, and the exit ticket.

Course Hub

Introduction to Engineering Design

Return to the IED course hub for units, resources, certifications, and current course information.

Build your lesson report

Checkpoint: is your evidence ready?
  • Check calculations, units, labels, and measurements against the activity requirements.
  • Record what actually happened, including unexpected results.
  • Explain what you changed and why; attach required drawings, photos, CAD, or code in your classroom assignment.

Submit the evidence specified in the activity and your classroom assignment. The report below collects your notes, calculations, observations, and reflections; attach any required drawings, photos, CAD, or code separately.

A PDF download is not a submission. Review it, then upload it and any required attachments through your classroom assignment system.