Most women in the United States are scared of the word scale because they have been taught their whole lives to hate that word and anything associated with that word. But the balance scale has been around for a long time and is used for far more than you realize.

What is it? It is an instrument used for weighing things.

It determines the weight (or mass) of an object. There are different kinds of scales.

One of these is called a spring. It is able to measure the load by the distance that the spring goes under the object.

The smaller the spring gets, the heavier the object. The taller the spring stands, then the less the object weighs.

The balance has been around for years and basically compares two objects. If you set one object on one side (and you know how much it weighs) and then you put another object on the other side, you can compare which one is heavier and make an educated guess about how much the new object weighs.

A balance has a horizontal lever with two arms on each side where you can place the objects to be measured. There is a center point of what is called a fulcrum or a pivot point.

It is formed in a v shape to help keep the lever in place. Today, bars Brand Levitra of a known weight are added to one side with the object on the other to see how heavy that object is.

When the two sides are balanced and perfectly horizontal, you assume that they both weigh the same if the pivot point is in the exact middle of the beam. Sometimes the beam has plates that hang down on both sides so that the objects stay in place better.

One kind of balance that most people are familiar with is the one at the doctor’s office. It is not a traditional type of balance because you do not stand on one end with the nurse adding big bars to the other side.

This kind is an off center beam where the beam uses a sliding weight that is called a poise. The poise is located at the top of the calibrated arm and is positioned horizontally so you can slide it across to figure out how heavy the person is.

Smaller scales that you see at the grocery store are located in the produce section. This is because the price of produce is dependent on how it’s mass.

They have smaller scales with a rounded pan sitting on top to place your produce in and then the horizontal beam with the slide is at the bottom. More and more digital scales of taking place of the traditional kind as technology becomes more readily available and people get more used to reading a digital screen.

Just like clocks. There only used to be analogue clocks used and everyone knew how to read them.

Today, people have to teach others how to read them because everyone is so used to digital clocks where it tells you the numbers instead of you looking at the hands to figure out the time for yourself.

Bathroom scales are also common in this country but are a little more inaccurate. This is because all of the additional pivots and mechanics that are put on make the calibration more complicated so it does not work quite as well.

You may go to the gym and find out how heavy (or light) you are and then go home to find something different. Same thing can happen when you go to the doctor’s office after you just did it at home.

Most scales are going to be a little bit off because air factors into it as an error. This is why the best and most expensive balances are going to cost a lot more because they are used in side of a vacuum.

Many science labs use these in their laboratories to help measure chemicals and other things. But you can also use them at home to help you measure your food, your own body, or the huge bag you just packed to take on an airplane that needs to weigh less than fifty pounds.

Author Bio: Jack R. Landry has worked since 1987 selling laboratory products and supplies to various labs and schools across the country. He has written hundreds of articles about lab supplies.

Contact Info:
Jack R. Landry
JackRLandry@gmail.com
http://www.Avogadro-Lab-Supply.com

Category: Science
Keywords: lab supplies