3.2 Non-Uniform Motion
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5 Terms
Free fall w/ no air resistance e.g. MOON
> only force acting is __ thus resultant force is ts & is always accelerating
weight
Free fall w/ air resistance e.g. earth
> w__ > a__ r__ so resultant force is direction of motion (down)
> a__ occurs bc F=ma
> incr v__ = incr d__, THUS less r__ f__ & less a__
> when drag = weight, resultant force = __ & is at t__ velocity
weight, air resistance, acceleration, velocity, drag, resultant force, acceleration, 0, terminal
at 1:
v = __, drag = __, Fnet = __, a = _ = __
0, 0, W, g, 9.81
at 2: (find a via F=ma)
v = >__, drag = >__, Fnet = __ - __, a = (W-drag)/m ;; <9.81
0, 0, W, drag
at 3:
v is __, drag = __, Fnet = __, a = __
constant, W, 0, 0
