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Mass and volume

In this article we will learn about Mass, Unit of Mass, Mass vs Weight, Volume, Measurement of Volume, Mass vs Volume and Some other Differences Between Mass and Volume.

Mass

Despite the fact that these terms are often used interchangeably, mass is not the same as weight. The matter in an object is referred to as mass. ‘GRAMS’ or ‘KILOGRAMS’ are the most common units of measurement.

Unit of Mass

Kilogram is the SI unit of mass (kg)

Other units of mass are: 

  • gram (g) 

  • metric tonne or tonne (t)

Mass vs Weight

The terms “mass” and “weight” are frequently interchanged. They’re similar, yet they’re measuring separate things. Weight measures the force of gravity acting on an object, whereas mass measures the amount of matter in an object. The gravitational pull on an object is determined by its mass as well as gravity’s strength. If the strength of gravity remains constant (as it does everywhere on Earth), an object’s mass is proportional to its weight, therefore a larger mass equals a larger weight.

Volume

A substance’s or object’s volume is a measurement of how much space it takes up. The cubic metre (m3) is the basic SI unit for volume, however lesser volumes can be measured in cm3, and liquids in litres (L) or millilitres (mL). The manner in which matter’s volume is measured is determined by its state.

  • A measuring container, such as a measuring cup or graduated cylinder, is used to determine the volume of a liquid.

  • Gases expand to occupy whatever space is available to them, hence their volume is determined by the volume of their container.

  • The volume of a solid with a regular shape may be estimated using its dimensions. A rectangular solid’s volume, for example, is equal to the product of its length, width, and height.

  • The displacement method can be used to determine the volume of an irregularly shaped object. 

Measurement of Volume

Because of its fundamental nature, mass can be difficult to comprehend, and density necessitates a mass-volume explanation. When describing a solid of regular shape, volume, on the other hand, looks to be relatively simple—and it is. Volume measurement, on the other hand, is more difficult in other scenarios.

As previously stated, the volume of a cube may be calculated by multiplying its length, width, and height. Other methods for calculating the volume of straight-sided shapes, such as a pyramid, exist. For measuring the volume of a cylinder, sphere, or cone, alternative equations that employ the constant (approximately equivalent to 3.14) are required.

Yet, for an irregularly shaped object, calculus may be required; however, the most basic way is to simply immerse the thing in water. This process entails calculating the difference between the volume of water before and after immersion. Of course, the object being measured must not be water-soluble; if it is, the volume must be measured in a non-water-based liquid like alcohol.

Mass vs Volume

Mass

Volume

To begin, mass refers to an object’s physical quantity, which ultimately refers to the amount of matter contained within the object’s body.

Volume, on the other hand, is the measurement of a quantity based on the amount of space or area required by a three-dimensional (3D) object.

The weight of an object that is accommodated within an object or a matter is always referred to as mass.

The measurement of a finite quantity of area or space occupied by any particular object is known as volume.

A body or an object’s mass is always thought of as a constant or regular property, and a body or matter will always have some mass.

The volume of a substance changes in this scenario since it is determined by the condition of the substance, whether solid, liquid, or gaseous.

Another significant distinction is that, in this situation of mass, the weight of the liquid-filled container tends to equal the mass of the liquid.

However, the volume of a liquid in a container tends to measure the container’s depth, length, and width, indicating a significant discrepancy.

The physical value of an entity is always asserted to be its mass.

The geometric value of an object is said to be its volume.

Some other Differences Between Mass and Volume

Other notable differences between mass and volume of any object are as follows:

  • Normally, the state of matter of an item, such as solid, liquid, gas, plasma, or a Bose-Einstein Condensate, which is the fifth state of matter, has no effect on its mass. The volume, on the other hand, tends to vary depending on the state of the matter.

  • The law of mass conservation describes how the property of mass makes it easier to convert it into energy using mathematical calculations and chemical reactions. It is not possible to do the same thing with the volume of an item.

  • According to Newton’s evidence of relativity, mass increases as velocity increases, but volume decreases.

Conclusion

The amount of matter in a thing is measured by its mass. The kilogramme is the SI unit of mass (kg). Grams can be used to measure smaller masses (g). 

The volume of an object is the measurement of how much space it takes up. The cubic metre (m3) is  the SI unit for volume, but lower amounts can be measured in cm3. Liquids are also measured in litres (L) or millilitres (mL)  (The volume of matter is measured differently depending on its state). The volume of a three-dimensional item is the amount of space it occupies. Units like cm3 and m3 are examples of cubic units. Mass, on the other hand, is a measurement of how much matter is contained in an object.

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Frequently asked questions

Get answers to the most common queries related to the IIT JEE Examination Preparation.

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