Work is measured in Joules while energy is expressed in:
Correct answer: D. J
- A. Watt
- B. J.s
- C. J/s
- D. J
Explanation
The joule is the correct unit for energy. It measures the amount of work done or energy transferred when a force of one newton acts over a distance of one meter. It is the standard unit for both work and energy.
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About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
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