On Jan 5, 8:45*pm, Andreas Maurer wrote:
On Wed, 5 Jan 2011 15:51:05 -0800 (PST), ProfChrisReed

wrote:
L=W only in level flight.

Wrong.

The correct term is

L=W in STRAIGHT flight.

If both forces are not equal, the resulting flightpath is going to be
a circular arc.

It's simple vector addition.

Regards
Andreas

Well to get anal......straight and level.....(unaccelerated flight.)

Also best to consider L+W+T+D=0 (Unaccelerated flight, climb, level
or gliding)

Once we have acceleration (change is velocity and or change in speed)
then L+W+T+D do not =0 We now have "unbalanced" force(s)

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