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- Dictionarymass/mas/
noun
- 1. a large body of matter with no definite shape: "the sun broke out from behind a mass of clouds" Similar
- 2. a large number of people or objects crowded together: "a mass of cyclists" Similar
adjective
- 1. involving or affecting large numbers of people or things: "the film has mass appeal"
verb
- 1. assemble or cause to assemble into a single body or mass: "both countries began massing troops in the region"
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Mass is defined as the amount of matter in an object while weight is defined as the force exerted by an object. SI unit of mass is kilograms while SI unit of weight is Newtons.
- Mass can be stated as the measure of the quantity of matter in an object. The SI unit of mass is the kilogram (kg).
- Weight is the measure of the force of gravity acting on a body.The formula for weight is given by: w = mg
- Technically, weight is the mass of a body multiplied by the acceleration due to gravity.
- Weightlessness is a condition of free-fall in which the gravity is cancelled by the inertial force arising from orbital flight or other gravity-neg...
- This law is a quantitative explanation of the changes that a force can generate in a body’s motion. The second law states that when a body encounte...
Learn the meaning of mass as an adjective, noun, verb and adverb in English. Find out how to use mass in different contexts, such as physics, art, religion and business.
Learn the various meanings and uses of the word mass, from a religious service to a quantity of matter. See synonyms, examples, etymology, and related phrases of mass.
Mass definition: a body of coherent matter, usually of indefinite shape and often of considerable size. See examples of MASS used in a sentence.
Jun 11, 2024 · Mass, in physics, quantitative measure of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. Mass is measured in units of kilograms.
- The Editors of Encyclopaedia Britannica
Jan 10, 2024 · Mass is the amount of matter in an object or a measure of its inertia. Learn how mass differs from weight, how to measure mass, and how mass relates to scientific laws and formulas.
This definition has been championed by Ernst Mach and has since been developed into the notion of operationalism by Percy W. Bridgman. The simple classical mechanics definition of mass differs slightly from the definition in the theory of special relativity, but the essential meaning is the same.