What is lbf unit

In the English or American system the "official" measure of mass is the slug. Turns out that And, as someone said, at "standard" gravity 1 lbm exerts 1 lbf on its support its weight. If you are going to do any significant calculations, it's best, in my opinion, to get rid of all lbm designations and convert everything to slugs. The force required to accelerate 1 lbm In this case, it is in units of slugs. Know the base units of the unit system you are working in for ANY final solution to be applied appropriately.

Both forms are correct! Essentially, 1 , 2 and 3 are all dividing by Know the base units of your system, lbf will always be an ambiguity problem as long as it exists in its current symbolic form. I'd suggest adopting sdl for 2 lbf with unit slug , the ambiguity of pound is an unusual punishment lb, lbs, lbm, lbf, lbf Absolutely, yes you can. In fact, the mass of a slug is derived from the acceleration due to gravity.

I know it is the standard unit for mass and so is lbm. Once you understand this concept well you can go on to familiarize yourself to using slugs. Looking at the last two points above, it is obvious that the newton is very different that the lbf. In the SI system. When you weigh sometime you are measuring a force, yet in SI we record this force in terms of mass kg. Why we can not create a system that make sense is beyond me.

The confusion comes from the English system, we should not ask what is your weight, but what is your mass. Of course this is ridiculous. The confusion comes from an overgeneralization, i. Personally, I think the guy who came up with the pound mass lbm was dyslexic. What I think he really wanted to do was state that;. This means that lbm is not really a mass unit, but a mass gravitational constant unit which is ridiculous so when you multiply lbm by an acceleration you have to divide out the gravitational constant before you can obtain a force.

Other than by mistake why would anyone come up with such a unit???? Here's how I like to think of it. This is what, for example, your bathroom scale is measuring. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? MLA 8 Franscisco,. You say a pound lb is equal to a weight and equal to some number of kilograms.

A kilogram measures mass. Thus a pound cannot be equal to a number of kilograms. In your summary i think there is an unfortunate typo. Abnormally described the things. Instead of filling the garbage you need directly to write the relation between lbf and lb. You are all a little off.

If you are simply lifting something off the ground they are equal, but pulling lbs of cinder blocks is very different based on whether you are pulling it on a trailer or a sled, or even a sled on ice vs a sled over gravel. You, I trust to answer this. I do understand that the formula is available… but I need a little help. If an item has a capacity or strength of x, identified in kn. Thank you in advance for any assistance. A pound-force lbf equals the product of 1 pound-mass lbm and the gravitational field.

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Categories Units of force or weight Imperial units United States customary units of mass or weight Add category. Cancel Save. Fan Feed 1 Gravity of Earth.