Natural Science CLEP Prep Practice Exam

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Prepare for the Natural Science CLEP Exam with comprehensive quizzes and multiple choice questions. Each question includes hints and explanations to help you succeed. Ace your exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What is the SI unit of work?

Watt
Meter
Joule
Kilogram

The correct answer is: Watt

The SI unit of work is the joule, often represented by the symbol J. This unit is derived from the base units of mass, length, and time, and is defined as the amount of work done when a force of one newton is applied over a distance of one meter. While choice A and B might seem plausible since they are SI units, watt is actually the unit for power and meter is the unit for distance. Choice D is incorrect because kilogram is the unit for mass, not work. Therefore, the correct answer is C, joule.