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Mathematical equations

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Old 25th March 2005 | 22:04
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PPRuNe Engineering Dept Apprentice
 
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Mathematical equations

Inspired by "The JetBlast mathematical formula thread" (go on, post a formula that'll really wreck their heads!)

So what is the most used mathematical formula that you use in the profession?
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Old 26th March 2005 | 00:37
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F=ma (otherwise known as Newton's second law).

Closely followed by incompressible Bernoulli.

Followed a little later by the Euler buckling load formula.

I've invented a few much more complicated ones of my own from time to time, but they aren't as useful (if they were, Daniel Bernoulli would probably have thought of them about 1740!).

G

Newtonian Mechanic !
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Old 26th March 2005 | 12:15
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The best ones are actually the most simple... they nicely underpin all of your considerations and decisions. Without the fundamentals, you've got nothing.
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Old 28th March 2005 | 20:04
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The most import ones are multiplication

Hourly rate X 1.5 or X2 for OT

then subtraction
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