Demonstrate understanding of advanced concepts related to machines
NZQA suppresses grade rates for low-cohort standards.
This standard asks you to explain how machines work by understanding the mechanical components that make them up and what they do. You need to describe how these parts work together to create useful movement and force, and talk about how efficiently the machine operates. You're studying real machines like chain blocks, jacks, or pulleys—anything with two or more mechanical parts that do work.
You identify the main mechanical components in a machine and describe in basic terms how they work together to transfer motion and force, with some mention of how efficiently it operates.
You explain in detail why specific components were combined the way they were, discuss the mechanical advantage they create, and analyse the relationship between the machine's efficiency and how it's safely used.
You go beyond describing how it works to discuss why designers chose this particular combination of components, fully justify the mechanical advantage achieved, and connect all of this to the machine's efficiency and real-world application.
Standards typically taken alongside or after this one. Same subject, grouped by level.