# Work, Energy and Power notes

> CAPS-aligned study notes for Work, Energy and Power in Grade 12 Physical Sciences. Browse the sections below for explanations, worked examples and exam preparation.

- Page: https://www.hlayiso.com/grade-12/physical-sciences/notes/work-energy-and-power

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## Sections in Work, Energy and Power

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- [Work](https://www.hlayiso.com/grade-12/physical-sciences/notes/work-energy-and-power/work) — Work When you push a heavy box across a floor, carry groceries upstairs, or pull a suitcase along a corridor, you are doing work in the physics sense. Work connects the concept of force to the…
- [Energy](https://www.hlayiso.com/grade-12/physical-sciences/notes/work-energy-and-power/energy) — Energy A roller coaster at the top of a hill, a speeding car on a highway, and a stretched rubber band all have something in common: they possess energy. Energy is the ability to do work, and it…
- [Power](https://www.hlayiso.com/grade-12/physical-sciences/notes/work-energy-and-power/power) — Power Two cars may both climb the same hill, but one does it in 10 seconds and the other in 30 seconds. Both do the same amount of work against gravity, but the faster car has a much greater power…

## Other Physical Sciences topics

- [Newton's Laws and Forces](https://www.hlayiso.com/grade-12/physical-sciences/notes/newtons-laws-and-forces)
- [Momentum and Impulse](https://www.hlayiso.com/grade-12/physical-sciences/notes/momentum-and-impulse)
- [Vertical Projectile Motion](https://www.hlayiso.com/grade-12/physical-sciences/notes/vertical-projectile-motion)
- [Doppler Effect](https://www.hlayiso.com/grade-12/physical-sciences/notes/doppler-effect)
- [Electrostatics](https://www.hlayiso.com/grade-12/physical-sciences/notes/electrostatics)
- [Electric Circuits](https://www.hlayiso.com/grade-12/physical-sciences/notes/electric-circuits)
- [Electrodynamics](https://www.hlayiso.com/grade-12/physical-sciences/notes/electrodynamics)
- [Optical Phenomena and Properties of Materials](https://www.hlayiso.com/grade-12/physical-sciences/notes/optical-phenomena-and-properties-of-materials)
- [Emission and Absorption Spectra](https://www.hlayiso.com/grade-12/physical-sciences/notes/emission-and-absorption-spectra)
- [Organic Compounds and Macromolecules](https://www.hlayiso.com/grade-12/physical-sciences/notes/organic-compounds-and-macromolecules)
- [Rate and Extent of Reactions](https://www.hlayiso.com/grade-12/physical-sciences/notes/rate-and-extent-of-reactions)
- [Chemical Equilibrium](https://www.hlayiso.com/grade-12/physical-sciences/notes/chemical-equilibrium)
- [Acids and Bases](https://www.hlayiso.com/grade-12/physical-sciences/notes/acids-and-bases)
- [Electrochemistry](https://www.hlayiso.com/grade-12/physical-sciences/notes/electrochemistry)
- [The Chlor-Alkali Industry](https://www.hlayiso.com/grade-12/physical-sciences/notes/the-chlor-alkali-industry)
- [The Fertiliser Industry](https://www.hlayiso.com/grade-12/physical-sciences/notes/the-fertiliser-industry)

## Frequently asked questions

### What is covered in Work, Energy and Power for Grade 12 Physical Sciences?

The Work, Energy and Power section covers all key concepts from the Grade 12 Physical Sciences CAPS curriculum, including detailed explanations, worked examples, and exam preparation tips.

### Are the Work, Energy and Power notes free?

Yes. Each section has a free preview, and a free Hlayiso account lets you read the full notes.

### How do these notes help with exam preparation?

Our Work, Energy and Power notes are CAPS-aligned and include worked examples, common mistakes to avoid, and exam tips — everything you need to prepare for your Grade 12 Physical Sciences exams.

### Are there quizzes for Work, Energy and Power?

Yes. Hlayiso has quizzes for Work, Energy and Power in Grade 12 Physical Sciences. Test your understanding after reading the notes.

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