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- While there are a lot of different scales in various industries, the goal of weighing is always the same: to obtain a precise quantification of the matter that makes up various objects in order to use that number to transport, record, process or use the object or matter more efficiently.
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Jul 16, 2015 · We use the kilogram because it is a more useful metric in "daily life". The only time we care about weight is when we're about to snap the cables in the elevator (too much sweetened coffee?) or have some other engineering task where we care about the actual force of gravity (as opposed to the quantity of material). So why don't we call it "mass"?
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For younger readers
1. Can You Feel the Forceby Richard Hammond. Dorling Kindersley, 2006/2015. A breezy, chatty, fun look at how forces move our world. (I worked as a consultant on this book.) Ages 9–12. 2. How Do We Measure: Weightby Chris Woodford. Gareth Stevens, 2013/Blackbirch, 2005. Another of my books. This one's a simple introduction to measuring weight as an example of everyday math. Ages 7–9. 3. Force and Motionby Peter Lafferty. Dorling Kindersley, 2000. A simple introduction to the science of forces...
For older readers
1. Encyclopaedia of Historical Metrology, Weights, and Measuresby Jan Gyllenbok. Springer, 2018. A detailed, three-volume reference covering the history of measurement. 2. World in the Balance: The Historic Quest for an Absolute System of Measurementby Robert P. Crease. W. W. Norton & Company, 2011. The story of weighing and measuring. 3. A Dictionary of Weights, Measures, and Unitsby Donald Fenna. Oxford, 2002. A comprehensive A-Z reference to the history, definition, and usage of metric and...
Popular science
1. The Kilogram Is Dead. Long Live the Kilogram! by XiaoZhi Lim. The New York Times, 6 November 2018. Scientists redefine the kilogram using the Planck constant—and retire the lumps of metal that used to serve as standard kilogram masses (known as International Prototype Kilograms). 2. Missing Micrograms Set a Standard on Edgeby Sarah Lyall. The New York Times, 12 February 2011. What happens when the world's official kilogram loses weight? 3. Curbing the kilogram's weight-loss programmeby Jas...
Academic and more technical
1. The SI unit of massby Richard Davis. Institute of Physics, Metrologia, 27 November 2003, Volume 40, Number 6. A history of the kilogram and how we define it in the SI system. [Subscription required.] 2. Weighing the kilogramby Paul J. Karol, American Scientist, Vol. 102, No. 6 (November-December 2014), pp. 426–429.
A mechanical scale or balance is used to describe a weighing device that is used to measure the mass, force exertion, tension, and resistance of an object without the need of a power supply. Types of mechanical scales include decimal balances, spring scales, hanging scales, triple beam balances, and force gauges.
Key advantages: Accurate weight measurements. Lightweight and highly portable. LED display. Easy to use. Can handle weights up to maximum 180kgs. Battery operated. Best for checking body weight. Electric Weight Machine/ Electronic Weight Machine. Another type of weighing machine is an electronic weight machine or Electric weight machine.
The simplest form of weighing machine is the balance, so called because it balances two loads from opposite ends of a horizontal bar. The Egyptians used instruments called equal-arm balances 4,000 to 5,000 years ago.
Nov 2, 2019 · Almost everyone has been on a weighing scale; some people check their weight daily for health or athletic purposes, while others make more use of weighing devices at the supermarket, on the job or as part of a comprehensive science education.
Sep 27, 2022 · Weighing Machines & Its Advantages. In this modern world, Weighing Machines play a vital role in serving all kinds of businesses. Earlier people use scales to make the goods’ weight measurements, but today, it helps in monitoring regular health updates.
