![]() Thus, the weight’s unit is equal to the force’s unit as the weight and force are the same. It is what attracts an object or body towards it. Weight is the force that the gravitational pull of the earth is responsible for. While kg is the internationally recognized unit of mass, there are other units too like gram, milligram, tonnes, and pounds. Thus, the greater the mass a body has, the smaller will be the change that happens when we apply force. Thus, we see that it’s the resistance offered by a body of matter to a change in its speed or position when force is applied. It can be referred to as the quantitative measure of inertia. Now that we are clear on the difference between mass and weight, let’s learn a little more about mass. The formula for calculating weight is- weight= mass × acceleration due to gravity To calculate mass, we use- mass = volume × density We can measure weight using a spring balance. For instance, pan balance, beam balance, etc. The SI unit of mass is the kilogram (kg). It can be zero when no gravity is acting on it. It’s got the magnitude and directs toward the Earth’s centre or other gravity. Weight will vary depending on the location. It stays the same everywhere, irrespective of location. It refers to the measure of the amount of force that acts on mass because of the pull of gravity. It is the measure of the amount of matter present a body. Difference between Mass and Weight Basis of Comparison So, we see the gravitational interaction between objects having mass and when the object interacts with the Earth, that force will be the weight. While some also define it as the scalar quantity which is the magnitude of the gravitational force. You will find some people defining it as a vector quantity, the gravitational force which acts on the object. The weight of an object refers to the force which is acting on an object because of gravity. ![]() Moreover, the common units for mass are kilograms and grams. Thus, mass refers to both, the property of a physical body as well as the measure of the resistance of the object to acceleration when we apply a net force. For instance, the number of protons, neutrons, and electrons in an item can be said to be the measure of the mass. In simpler words, we can say that mass refers to how much material an object consists of. ![]() 4 FAQs about Mass and Weight Definition of Mass
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