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roam
roam is offline
#3
Jun18-10, 07:04 AM
P: 884
Why L/2?
Because the gravitational force on the stick acts at its center of mass.

Since the it is pivoted at the 40 cm mark, should I use 60/2 (since the mass is uniformly distributed)?

But this didn't work because I ended up with [tex]\alpha = 31.6[/tex]...