Which of the following is a derived quantity?
Volume
Acceleration
Force
Answers
Answer:
Your answer is VOLUME....
Explanation:
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ANSWER :- VOLUME
What Are Derived Quantities?
Derived quantities are quantities that are calculated from two or more measurements. Derived quantities cannot be measured directly. They can only be computed. Many derived quantities are calculated in physical science. Three examples are area, volume, and density.
Calculating Area
The area of a surface is how much space it covers. It’s easy to calculate the area of a surface if it has a regular shape, such as the blue rectangle in the sketch below. You simply substitute measurements of the surface into the correct formula. To find the area of a rectangular surface, use this formula:
Area (rectangular surface) = length × width (l × w)
Calculating Volume
The volume of a solid object is how much space it takes up. It’s easy to calculate the volume of a solid if it has a simple, regular shape, such as the rectangular solid pictured in the sketch below. To find the volume of a rectangular solid, use this formula:
Volume (rectangular solid) = length × width × height (l × w × h)
Units of Derived Quantities
A given derived quantity, such as area, is always expressed in the same type of units. For example, area is always expressed in squared units, such as cm2 or m2. If you calculate area and your answer isn’t in squared units, then you have made an error.
Q: What units are used to express volume?
A: Volume is expressed in cubed units, such as cm3 or m3.
Q: A certain derived quantity is expressed in the units kg/m3. Which derived quantity is it?
A: The derived quantity is density, which is mass (kg) divided by volume (m3).
Summary
Derived quantities are quantities that are calculated from two or more measurements. They include area, volume, and density.
The area of a rectangular surface is calculated as its length multiplied by its width.
The volume of a rectangular solid is calculated as the product of its length, width, and height.
The density of an object is calculated as its mass divided by its volume.
A given derived quantity is always expressed in the same type of units. For example, area is always expressed in squared units, such as cm2.