What physical quantity is defined as the rate at which work is done or energy is transferred?

A Force

B Power

C Energy

D Momentum

✓ Correct Answer: Option B

Power is defined as the rate at which work is performed or energy is transferred. Its SI unit is the Watt (W), which is equivalent to one Joule per second (J/s).

💡 Why is B) the correct answer?

The correct answer to the question "What physical quantity is defined as the rate at which work is done or energy is transferred?" is Option B: Power.

The other options — A) Force, C) Energy, D) Momentum — are incorrect for this IB Exam Prep question. As explained above: Power is defined as the rate at which work is performed or energy is transferred. Its SI unit is the Watt (W), which is equivalent to one Joule per second (J/s).

📚 About This IB Exam Prep Practice Question

This 2-level IB Exam Prep question from the Physics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free IB Exam Prep practice test or use flashcards for spaced repetition review.

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What physical quantity is defined as the rate at which work is done or energy is transferred?

✓ Correct Answer: Option B

📚 About This IB Exam Prep Practice Question

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