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Mechanisms and Structures
Quick questions on Levers and the principle of moments explained: O-Level Design and Technology
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are the principle of moments?Show answer
The moment of a force is its turning effect about the pivot:
What is mechanical advantage?Show answer
Mechanical advantage (MA) measures how much a lever multiplies force:
What is the three orders of lever?Show answer
Levers are classified by the order of pivot, load and effort along the bar:
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