Power (AQA GCSE Physics): Flashcards

📚Flashcards
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
Power
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

12 cards from this deck

Show

Power definition (energy transfer)

Rate at which energy is transferred

Power definition (work)

Rate at which work is done

Formula for power (energy)

P=EtP = \frac{E}{t}

Formula for power (work)

P=WtP = \frac{W}{t}

Unit of power

Watts (W)

Unit of energy (EE)

Joules (J)

Unit of time (tt)

Seconds (s)

Unit of work done (WW)

Joules (J)

1 joule per second equals

1 watt

1 watt equals

1 joule per second

Which motor is more powerful (same work done)?

One completing work faster

Why faster motor is more powerful

Energy transferred at faster rate

Explore AQA GCSE Physics Revision Notes by Topics

Energy Changes in a System

National & Global Energy Resources

Explore AQA GCSE Physics Model Answers by Topics

Energy Changes in a System

National & Global Energy Resources

Explore AQA GCSE Physics Quizzes by Topics

Energy Changes in a System

National & Global Energy Resources

Explore AQA GCSE Physics Exam Questions by Topics

Energy Changes in a System

National & Global Energy Resources

Join 100,000+ GCSE students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.