Structures, Forces & Properties of Materials is one of 9 topics in the Grade 9 Technology CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. Which type of force stays steady and unchanging over time, like a staircase's own constant weight?
A static force
A dynamic force
An uneven force
A twisting force
Answer: A static force — A static force is a steady, unchanging force, such as a structure's own constant weight pressing down on its supports.
Easy
2. People walking up and down a staircase create which type of force on the staircase?
A dynamic force
Only a static force
No force at all
A corrosive force
Answer: A dynamic force — People walking up and down a staircase create a dynamic force, since it changes over time, often suddenly, unlike a steady static force.
Medium
3. Give the term for a load that is spread out equally across a structure, like a uniform layer of snow on a flat roof.
Answer: even load — An even (or evenly distributed) load is spread out equally across a structure, unlike an uneven, concentrated load applied at just one point.