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the two quantities are different - 5kg indicates the mass of the object, ie how much stuff it contains, a newton is a force, in this case a weight (a force produced by gravity, the mutual attraction of two objects with mass). The weight produced by 5kg depends on g, which is a function of how massive the other object is and how far away you are from its center. Assuming you mean 'how many newtons is 5kg on the surface of earth', g is about 9.81. To get the weight (in newtons) from the mass (in kg) all you do is multiply by g - so 5kg by 9.81 roughly equals 49 newtons. The apparent weight may be less than this. If you only want a rough estimate, then if we approximate the g from 9.81 to 10, then the force (in Newtons) is almost equal to the mass (in kg) multiplied by 10. Therefore 5kg is almost 50N (but actually less than 50). It is not accurate but it gives you an idea of the magnitude.
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What would you use to measure newtons?
A Tubular Spring scale.
What does the spring scale measure if measured in newtons?
A spring scale measures force in newtons. It works based on Hooke's law, which states that the force applied to a spring is directly proportional to the extension or compression of the spring. The scale calculates the amount of force required to extend or compress the spring.
What do you do to measure weight?
There is only one metric system. The units used for your weight would be Newtons.
How many pounds are in 245 newtons?
To convert newtons to pounds, divide the number of newtons by 4.448. Therefore, 245 newtons is approximately 55.06 pounds.
How many pounds do 20.5 newtons equal?
20.5 newtons equal about 4.6 pounds.
