Grade 7 Structures Test Study Guide

Grade 7 Structures Test Study Guide

Please review your notes and the information in the package to help you study.

Ergonomics

What is it?

·      Why is it important?

Ways to classify structures

·       Form, function, construction

Ways to classify form

·       Frame, Shell, Solid, Combination

External Forces

·       Gravity, Weather, Earthquakes, Wind, etc.

Internal Forces

·       Tension, Compression, Shear, Torsion

External Forces and Loads

·       Dynamic (moving): cars, trucks, people, wind,

·       Static (non-moving) Loads: weight of the structure, snow pack etc.

Describing Forces:

·       Magnitude

·       Direction

·       Point and Plane of Application

Designing for Safety

·      

Engineers design for a hundred year storm

·       Risk Management

o   Ignore the risk

o   Avoid the risk

o   Design for the risk

·       Use of sensors: types of sensors