Say we are using hands as a measure. The quantity and the weight of the substance can be roughly identified. Humans and other animals body parts vary widely in size and shape. Use pieces of yarn to measure compare and detect these andor your other bodily ratios. This is because different people might have body part of different sizes. Body parts are not a reliable instruments for measurement.
Example chefs use handfuls to measure grains rice. Thus if we were to use body parts as a standard of measurement the idea of standard measurement wouldnt exist. Devin johnston on january 21 2009 259 am. The reason units of measurement like these fell out of favor is that they vary from one person to the next so if you need accuracy or repeatability theyre not the best choice. The handful measurement of objects using body parts. Solution show solution body parts have different sizes from person to person and hence the value varies.
Then wherever you are youll have a pretty accurate ruler very close by. Another measurement that i use is an inch made by bending my ring finger into a tabletop shape. This can lead to inconsistent measurement. 10 responses to body parts as tools of measurement chris on january 21 2009 136 am. Since there is no uniformity or accuracy in the reading body parts should not be used for the correct measurement of an object. Its all about precision if u want to measure things on mm or cm scale you cant use your body parts.
I always was an overachiever. These estimates are just that. For decades the united states has been one of the very few nations on the planet to not use the metric system as its primary measurement standard. Related to the last point the french word for inch is pouce which also. Report error is there an error in this question or solution. The romans used this measurement and so can you.
Therefore body parts should not be used as a measuring instrument. The width of your own palm the length of your own foot and so on. A handful is a rough measurement of the quantity of dry substances that can fit into a cupped hand. A more accurate way use your body parts to estimate length is to know your own measurements. Whereas other countries use derivatives of meters for distance liters volume and kilograms mass and they describe temperatures in degrees celsius also called centigrade the us as of. What an interesting post.
You have explored some ratios in your body and might wonder if these hold for other people as well. It turns out for example that my personal cubit is 18375 inches 4667cm. Even there are certain complex shapes which cant be measure with body parts so better to use linear measuring devices 981 views view 2 upvoters.