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Why are the terms mass and weight. used synonymously on earth?
On Earth, mass and weight are used synonymously because the gravitational force acting on an object is constant. Weight is essentially the force of gravity acting on an object's mass. Since the gravitational acceleration is approximately the same at the surface of the Earth, the terms mass and weight can be used interchangeably.
What does weight mass and volume have in common?
The relationship between them is as follows. mass = volume x density weight = mass x gravity That means that, other things being equal, mass is proportional to volume. On the other hand, weight is also proportional to mass.
What lnstrument is used to measure the mass of the Earth?
You need only one instrument: a balance (or scale) to measure the weight of a known mass. Then use Newton's equation F = GMm/r^2 where: F = the weight (in Newtons) of the object, shown by the scale you're weighing it with G = the universal gravitational constant, 6.67300 × 10-11 m3 kg-1 s-2 m = the mass of the object you're weighing, in kg M = the mass of the Earth in kg (the figure you're trying to determine) r = the radius of the Earth (6360km or thereabouts), i.e. the distance between the centre of mass of the object you're weighing, and the centre of the Earth
What is the quantity used to measure weight?
By definition the weight of an object is the average force that the earth gravity exerts on the object on the earth surface. The average is to be taken into account due to the fact that earth gravity is not exactly constant over all the earth surface, but the deviation from average is small so that usually the weight is simply measured by measuring the gravity force in a single point on the earth surface (for example with a balance). Being a force, the weight should be measured in Newtons (N), the measurement unit of Force in the international system. However, frequently an old measurement unit is used, coming from a now unused measurement unit system: the so called technical system. This unit is the weight kilogram (weight kg or wkg) that is the force exerted by earth gravity on a body with a mass of one mass kilogram (simply indicated with kg). Even if the use of the same name generates a lot of confusion, the weight kg has not to be confused with the mass kilogram, since they are measurement units of two different physical quantities: a force the first and a mass the second. In terms of international system units, by definition a weight kg is equal to about 9.8 N, as it can be demonstrated by the Newton second principle F = m g where F is the force (that is the weight in this case), m is the mass (one kg mass for a weight of one kg weight) and g the gravity acceleration on the earth surface that is about 9.8 N/kg = 9.8 m/s2.
What metric units would be used to measure the mass of a your weight?
Mass and weight are two different things: you cannot measure the mass of your weight. That is like talking about the temperature of your height - it makes no sense.
Why are the terms mass and weight. used synonymously on earth?
On Earth, mass and weight are used synonymously because the gravitational force acting on an object is constant. Weight is essentially the force of gravity acting on an object's mass. Since the gravitational acceleration is approximately the same at the surface of the Earth, the terms mass and weight can be used interchangeably.
Why is your weight on earth different from out mass on the moon?
You can't compare WEIGHT with MASS - those two are used to measure quite different things. It doesn't make sense to say that they are the same, or that they are different. You can only compare mass with mass, or weight with weight.
What acceleration number is used to covert mass to weight?
Earth's acceleration which is 9.807m/s^2
What is theUnit to measure mass?
The gram. Also in use in the English (US) System is the pound.*for weight or force exerted by these masses due to gravity the Newton or the Poundal is used to differentiate mass and weight. {Though at the surface of the earth the mass and weight are indistinguishable.}
What is mass instrument used for?
A balanced scale, which compares the mass of one object with that of a known quantity.Balance scale. Measures "weight" on Earth, but the result is easily converted to Mass.
What is physical weight?
Weight is gravity's effect on mass. That is why weight is not generally used in science, because it varies slightly at different places on Earth, and differs tremendously on other celestial bodies and is zero in space. Mass is a constant.
How much does the earth weigh not based on gravitational attraction?
This may be a trick question. We often use the terms "weight" and "mass" interchangeably, but we use the term "weight" to refer to mass that is in a gravitational field (and generally the gravitational field of earth). . If a person weighs 150 pounds, it means that we have used "pound" as a reference, and that involves (or invokes) the effect of the pull of the earth on that person. But that person has mass that is independent of gravitational attraction. A person who has a mass of 150 pounds has that mass no matter where he may be. That person is weightless in deep space where there isn't anything of substance around to exert a gravimetric pull on the person. Mass is present, but there is no weight. . The earth is not said to have weight. Instead, it has mass, and that mass is a bit short of 1024 kilograms. . See an answer to a related question, "What is the weight of earth?"
What is the unit N used to measure?
N means the unit of mass in newtons. On earth you measure the weight with it in kilograms.
Does the mass stay the same on the moon?
Mass stays the same on Earth, in space, or on the Moon. WEIGHT varies, because weight is the mass times the gravity. On Earth, we're often guilty of lazy speech and lazy thinking, and we sometimes use "mass" and "weight" interchangeably. This is convenient here on Earth, where the force of gravity is pretty much the same everywhere. (There are very minor differences due to changes in altitude or mass concentrations in the Earth, but the differences are unnoticeable without precise instruments.) So one kilogram is a measurement of MASS; 2.2 pounds is a measurement of WEIGHT. They are not the same. In the metric system, mass is measured in grams, while weight is measured in newtons. In the English system (used in the USA, but no longer in England) mass is measured in "slugs" while weight is measured in pounds.
What would be the effect on mass and weight of a body if it is taken from earth surface to the moon?
The mass stays the same, the weight is about one sixth as here on Earth. The astronauts had to learn how to move there... it's harder getting stopped and doing corners, as you don't have the weight and traction you are used to.
Why are the words mass and weight used to describe the same thing?
Technically they are not. Mass is the amount of matter in an object while weight is how much force an object experiences from gravity due to its mass. An object's weight in a gravitational field is directly proportional to its mass: if you double the mass you double the weight. Since the strength of gravity on Earth varies very little an object of a given mass will have pretty much the same weight any where you take it.
What is the formula used to calculate the weight of an object if you were given the mass in kilograms?
weight=mass*gravity
