Structural Efficiency Foundations of Technology Structural Efficiency © 2013 International Technology and Engineering Educators Association, STEM  Center.

Slides:

Advertisements

Similar presentations

Foundations of Technology Engineering Design Journal

Advertisements

Foundations of Technology Engineering Design Process

Unit 2: Engineering Design Process

2 What You Will Do Define resistance training and identify its importance to your health and fitness. Identify the role of muscular strength and muscular.

How Machines Do Work Outline Notes Pages

Example 3 Each day, an elephant eats 5 pounds of food for every 100 pounds of its body weight. How much does a 9300 pound elephant eat per day? SOLUTION.

 SMALL  50  BIG  100 ANTE 0 End NEXT LEVEL

1 Elasticities. 2 In economics we use the concept of elasticity to compare percentage changes in pieces and quantities. The price elasticity of demand.

Engineering Design Process Presentation Explanation

Information and Communication Unit 5, Lesson 4 Explanation Presentation © 2011 International Technology and Engineering Educators Association, STEM.

Foundations of Technology Mechanical Advantage

Use the cross products property EXAMPLE 1 Write original proportion = x 6 Solve the proportion =. 8 x 6 15 Cross products property Simplify. 120.

Basic Statistics Foundations of Technology Basic Statistics © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching.

STEMCenter for Teaching & Learning™ Engineering byDesign™

Construction Unit 5, Lesson 3 Explanation © 2011 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™

Section 10.2 Machines Objectives

Simple Machines Machines Lever Inclined plane Pulley Screw Wedge Wheel & axle.

Foundations of Technology Calculating Area and Volume

Advanced Design Applications Power and Energy © 2014 International Technology and Engineering Educators Association STEM  Center for Teaching and Learning™

Foundations of Technology Pythagorean Theorem

The Human Body Chapter Nineteen: Support and Movement 19.1 Bones and Muscles 19.2 The Human Body as a Machine.

Information and Communication Foundations of Technology Information and Communication © 2013 International Technology and Engineering Educators Association.

Potentiometer Foundations of Technology Potentiometer © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching.

Introduction to Nanotechnology Module 4 Pressure, Force and Density.

Creativity Engagement Foundations of Technology Creativity Engagement © 2013 International Technology and Engineering Educators Association STEM  Center.

~MEETING TECHNOLOGY~ Unit 1 Lesson 2 © 2011 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Exploring.

Troubleshooting Foundations of Technology Troubleshooting © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching.

Body Mechanics.

What is STEM Education? Science, Technology, Engineering, and Math.

Foundations of Technology The Systems Model

Technological Design © 2013 International Technology and Engineering Educators Association STEM  Center for Teaching and Learning™ Technological Design.

© 2011 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Exploring Technology Unit 3 Lesson 1 Big.

Design Principles & Considerations Unit 3, Lesson 1 Explanation © 2011 International Technology and Engineering Educators Association, STEM  Center for.

Ohm’s Law Foundations of Technology Ohm’s Law © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™

© 2011 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Exploring Technology Unit 2 Practicing.

Engineering Design Journal Foundations of Technology Engineering Design Journal © 2013 International Technology and Engineering Educators Association STEM.

Unit 2: Engineering Design Process

Chapter Eight: Work 8.1 Work 8.2 Efficiency and Power.

1.Constraints are new products, systems, or processes that have never existed before. 2.An engineer is, in essence, a problem-solver. 3.Feedback is used.

Criteria and Constraints Presentation Explanation © 2011 International Technology and Engineering Educators Association, STEM  Center for Teaching.

Collecting and Processing Information Foundations of Technology Collecting and Processing Information © 2013 International Technology and Engineering Educators.

Information and Communication Foundations of Technology Information and Communication © 2013 International Technology and Engineering Educators Association.

Power – Learning Outcomes  Define power and its unit.  Solve problems about power.  Solve problems about efficiency.  Estimate power developed by:

Foundations of Technology.  Common components (levers, inclined planes, wedges, wheels and axles, pulleys, screws, gears, cams, linkages, shafts, couplings,

Modeling and Prototypes Presentation Explanation © 2011 International Technology and Engineering Educators Association, STEM  Center for Teaching.

Fluid Technology Foundations of Technology Fluid Technology © 2013 International Technology and Engineering Educators Association STEM  Center for Teaching.

Problem-Solving Activity Foundations of Technology Problem-Solving Activity © 2013 International Technology and Engineering Educators Association STEM.

COLLECTING AND PROCESSING OF INFORMATION PRESENTATION © 2011 International Technology and Engineering Educators Association, STEM  Center for Teaching.

Work and Simple Machines

Bell Ringer Engine #1 produces twice the power of engine #2. Can we conclude that engine #1 does twice as much work as engine #2?

Chapter Eight: Work 8.1 Work 8.2 Efficiency and Power.

An engineer is, in essence, a problem-solver.

Mechanical Advantage and Efficiency

Collecting and processing of information Presentation 4.5.1

What machines do for us.

Lesson 3-4, An Introduction to Mechanical Technology

Collecting and processing of information Presentation 4.5.1

Foundations of Technology The Systems Model

Collecting and processing of information Presentation 4.5.1

Power – Learning Outcomes

Work, Energy and Power.

Foundations of Technology Pythagorean Theorem

Chapter Eight: Work 8.1 Work 8.2 Efficiency and Power.

Foundations of Technology Structural Efficiency

Criteria and Constraints

Criteria and Constraints

Criteria and Constraints

There are 3 teachers and 25 students.

How Do Machines Work Chapter 4 Section 2.

Presentation transcript:

Structural Efficiency Foundations of Technology Structural Efficiency © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Foundations of Technology Teacher Resource – Unit 2 Lesson 1

The BIG Idea Big Idea: The Engineering Design Process is a systematic, iterative problem-solving method that produces solutions to meet human needs and wants. © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Foundations of Technology

Who’s Stronger? Who’s stronger, the elephant or the ant? © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Foundations of Technology

Who’s Stronger? Asian elephants are often employed to lift thousands of pounds of timber for logging efforts. Yet, an ant is much stronger pound for pound. An ant can easily lift many times its own body weight due to their small size which creates a greater cross sectional muscle mass An ant is a more efficient worker © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Foundations of Technology

What is Efficiency? Efficiency is a ratio of your output versus your input Efficiency is the ratio of the resources developed versus the resource supplied. Basically, efficiency measures the extent to which your device is functioning in the best possible manner. © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Foundations of Technology

Structural Efficiency In structural engineering efficiency is measured as the weight being supported divided by the weight of the supporting structure. © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Foundations of Technology

Crane Boom Efficiency For our crane boom: Efficiency = the breaking weight the weight of the crane boom The units must be the same! They will cancel out! Efficiency is a unit-less number (a ratio) © 2013 International Technology and Engineering Educators Association, STEM  Center for Teaching and Learning™ Foundations of Technology