Stop Guessing Which Formula to Use: The Mechanics of Machines Question DecoderA 6-step method and a “which principle?” table that turn a machine question into a solution, with 3 fully worked exam-style questions and a 4-question practice test.
Decode the question first, decide which law of mechanics it is about, and only then write an equation. A six-step method you can use on Mechanics of Machines questions.
Look inside
Real pages from this PDF: 3 of its 12 pages. Check the explanations and the working before you decide.



When it helps
Use it when you read a machine question and are not sure which principle or formula it wants, or before you start timed practice.
Need a more focused way to revise Mechanics of Machines?
This free guide is a good place to start. The Mechanics of Machines: Make Difficult Calculations Easier to Follow takes you through every Mechanics of Machines topic in the outline: plain-English explanations, worked examples that show why each step is taken, common mistakes, and practice questions with worked answers. It keeps everything in one place, so you spend less time searching for explanations and more time practising.
What's inside
- A six-step decoder to use on every question
- A "which principle?" finder for each question family
- 3 exam-style questions, fully decoded and solved
- Why plausible-looking methods fail
- A 4-question practice test with worked answers
- An exam-room checklist
Topics covered
- The six-step decoder
- Hoists and drums
- Epicyclic gears
- Collisions and impact
- Belt friction
Who it's for
For TVET diploma students revising Module II paper 2502/202 who read a machine question, then flip through their notes looking for a formula with the same letters. This guide teaches a faster habit. Share it freely with your classmates.