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What is the definition of derived quantity in physics?
A quantity that can be measured directly and is used as a basis for defining other physical quantities.
A quantity that describes the characteristics of matter, such as density or mass.
A quantity that can be expressed using both metric and imperial units.
A quantity that is calculated from one or more fundamental quantities.
Answers (1)
Derived quantities are those physical quantities that are derived from one or more fundamental quantities through mathematical formulas. These quantities are not independent and can be defined in terms of fundamental quantities. Examples of derived quantities include velocity, acceleration, force, energy, and power, among others.
Option A is incorrect because derived quantities cannot be measured directly; they are calculated from fundamental quantities.
Option B is also incorrect because the characteristics of matter, such as density or mass, can be either fundamental or derived quantities depending on how they are defined.
Option C is also incorrect because the ability to be expressed using both metric and imperial units is not a defining characteristic of derived quantities.
So, The correct answer is Option 4.
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