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Bookmark or Share- pound force and pound mass - Engineering Stack ExchangeI have a question about work measured in foot-pound. Let's say we have a 10 pound-mass ($10$ $\text{lb}_m$) object.
- mechanical engineering - Pound-force (lbf) vs Pound-mass (lbm ...1 lbm * 32.2 ft/s2 = 32.2 lbf that would have been perfect, a lbf = lbm ft/s2, but some idiotic reason he decided that 1 lbm * 32.2 ft/s2 should = 1 lbf at sea level on earth, so to make the units work you have to either divide the left side or multiply the right side by gc i.e. 32.2 lbm-ft / lbf-s2.
- How to calculate flow rate of water through a pipe?If a water pipe is 15 mm diameter and the water pressure is 3 bar, assuming the pipe is open ended, is it possible to calculate the flow rate or water velocity in the pipe? Most of the calculation...
- mechanical engineering - Finding the mass in the tank of an air ...I am solving the following problem: The tank of an air compressor has a volume of 3 cubic feet and is filled with air at a temperature of 40 °F.
- Barometer Column with Mercury - Engineering Stack ExchangeOlin's method yields the correct answer, but a dimensional analysis of the pressure number shows it using lbf. I barely understand how to go between lbf and lbm mass anyway, the only consistent way I get the right answer is by converting everything to metric and then back. Thus I conclude that Imperial units are stupid. $\endgroup$ –
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