|Nov26-12, 11:36 AM||#1|
balanced and unbalanced forces
The following forces act on a hockey puck (round, rubber disk) sitting on a frictionless surface: F_1 = 15.5 N at 15 degrees; F_2 = 27.9 N at 125 degrees; and F_3 = 31.7 N at 235 degrees. All the forces are in the plane of the ice. Determine the net force on the puck.
Fnetx= F1x-F2x-F3x=max, Fnety= F1y+F2y-F3y=may
Im getting this problem wrong and I am not sure where I am messing up.
|Nov26-12, 11:43 AM||#2|
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Don't ignore the signs of the components when you add them up.
|Nov26-12, 11:55 AM||#3|
Fnetx = F1x + F2x + F3x and similarly for Fnety
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