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In SI, the base unit for mass is the kilogram (yes, it's stupid for the base unit to have a prefix, don't get me started).

Weight is a type of force, and the unit for force is the newton (as with all SI units, the name of the unit is uncapitalized, even though the symbol is a capital N).

In the "English" system, which is now pretty much used only in the United States, weight is measured in pounds and mass in slugs. A slug is defined as the amount of mass that will accelerate by one foot per second per second when a force of one pound is exerted on it. Another way of looking at it is that at Earth's surface, a slug of mass weighs a little over 32 pounds.

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Q: What is the standard unit of a mass - b weight?
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What if your weight equals your what A. Mass. B. Mass divided by the net force acting on you c. Mass times the acceleration due to gravity D. mass times your speed?

B. Mass divided by the net force acting on you


Why is an object mass rather than its weight used as a measure of the amount of matter it contains?

Mass instead of weight is used to measure the material that matter contains b/c mass is constant at all positions but weight changes with position.


Will the mass or weight of a rock change on the moon?

180 grams of mass ... liquid, solid, gas, whatever ... weighs about 6.35 ounces on Earth and about 1.05 ounces on the surface of the moon. Any mass on the moon weighs 16.55% of its Earth weight.


What does it mean to say mass and weight are porportional to each other?

That assumes gravity doesn't change. To say that two quantities, "a" and "b", are proportional means that you can write an equation: b = ka (for some constant "k"). In the case of weight: weight = mass x gravity In this case, "gravity" is the constant. That means that for different objects, the weight / mass ratio is always the same. Close to Earth's surface, this constant of proportionality - the gravity - is approximately 9.8 newton/kilogram. If you go far away from Earth, perhaps onto the surface of other planets, gravity is NOT constant, and the statement that "mass and weight are proportional" is not true.


Two remote control cars are traveling down a straight track at a speed of 10.0 ms Car A has a mass of 2.0 kg and Car B has a mass of 4.0 kg what correctly describes the difference?

Car B has double the weight, double the momentum, and double the kinetic energy of Car A.

Related questions

Standard atomic mass is based on what element?

Carbon 12 isotope weighs exactly 12 atomic mass units thank you the other person who said it was B is a douche


What is the SI unit for molar mass?

b. gram/mole.


What would your weight b if earths mass were to be doubled?

Your weight would be double what it is now.


What the formula expressing the the relationship between weight in mass?

B(52.48n)


What the formula expressing in the relationship between weight in mass?

B(52.48n)


What if your weight equals your what A. Mass. B. Mass divided by the net force acting on you c. Mass times the acceleration due to gravity D. mass times your speed?

B. Mass divided by the net force acting on you


Why is an object mass rather than its weight used as a measure of the amount of matter it contains?

Mass instead of weight is used to measure the material that matter contains b/c mass is constant at all positions but weight changes with position.


Why does wieght vary but not mass?

B/c weight is dependent o the gravitational pull, while mass has to do with the amount of substance.


What is 65 kg in pounds?

To convert kg to lbs you have to multiply the weight in kg with 2.20462. This will give you the weight in pounds. Kg and pound. Kilogram is an SI unit of mass whereas Pound is an imperial unit of mass. The answer after conversion is 143.300 Pounds (Approximately).


Why is you weight less on the moon if your mass does not change?

Your weight is less on the moon b/c you have less gravity that pushes down on you in space--and in space there is no gravity,its a big vacuum and your mass is whats inside you.


What is another way of measuring weight?

Weight can be measured in metric units also. The most commonly used metric weight unit would probably be kilograms. (1 kilogram = 2.20462262 pounds)CommentA kilogram measures MASS, not weight!!


Does more mass mean more weight?

Only if they are in the same inertial frame of reference. On Earth if a) has a mass of 60kg and b) has a mass of 10kg - then a) would weigh more. If a) was on the Moon and b) stayed on Earth then they would both weigh the same. If b) decided to go to the Sun, then b) would weigh more than a). Mass stays the same no matter where you are. Your weight is deduced by the amount of "pull" gravity has on you.