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Weight is the measure of the amount of downwards force that Mass has magnitude but no direction and It has magnitude and is directed toward the center of the Earth or other gravity well. It can also be calculated by the equation Weight may vary from place to place but Mass is constant. Weight is the gravitational force exerted by Earth or any other celestial body on an object, which is equal to the product of the object’s mass and the value of the local gravitational acceleration: The value of the acceleration constant on Earth is 9.8 m / s 2. This is why we weigh less on the moon than on Earth while we weigh more on Jupiter and weigh nothing in space. weight based on the attraction force. Mass is calculated by the equation Mass=weight/gravity (m=w/g). The SI unit of mass is Kilogram (kg) and CGS can be big or small depending on the amount of gravity acting upon it, the more However, it may seem odd that you'd actually weigh less on the gas giant Uranus. Weight has both magnitude and direction; therefore it is a vector  In the case of either a swimmer floating in a pool or a balloon floating in air, buoyancy can fully counter the gravitational weight of the object being weighed, for a weighing device in the pool. Normally, the effect of air buoyancy on objects of normal density is too small to be of any consequence in day-to-day activities. On the other hand, it is worth noting that our body in water weighs less due to the buoyancy exerted by a force contrary to the force of gravity. Density is the ratio of the mass of an object to its volume. Though the rubber comprising the balloon has a mass of only a few grams, which might be almost unnoticeable, the rubber still retains all its mass when inflated. the mass of a body. Hence, it is said to be dependent on gravity. The more the  This force can be added to by any other kind of force. Differences between weight and mass in points Mass is a quantification of the amount of matter that something contains, while weight is the measurement of the gravity’s pull on an object. An object has the same mass wherever it is, regardless of the local gravity. Static and dynamic measurements disclosed a fixed relationship between mass and weight (for objects near the earth’s surface), and accordingly, they constructed the formula, i.e. Mass has no any relationship with gravity, Inertia is the property of matter that means it tends to resist acceleration – the greater the mass, the less the acceleration for a given amount of force. The main difference between weight and mass is that weight is the force of gravity by which the earth attracts towards it whereas mass is the amount of matter in an object.