Equilibrium and Statics
Note that the two objects are at equilibrium because the forces that act upon them are balanced; however, the individual forces are not equal to each other.
http://www.physicsclassroom.com/class/vectors/u3l3c.cfm
Vectors and Forces in 2-D: Problem Set Overview
Vectors which make right angles to one another are easily added using the . The magnitude of the acceleration is equal to the ratio of net force to mass: a = F net / m. . Detailed information and examples of equilibrium problems is available .
http://www.physicsclassroom.com/calcpad/vecforce/
Equilibrium of Three Forces, Static equilibrium (Sum of forces ...
Equilibrium of Three Forces, Static equilibrium (Sum of forces equal zero) . At the bottom right you can read the angles of these two forces with .
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=1035.0
Aerodynamics in flight
In steady flight, the sum of these opposing forces is equal to zero. . The pilot must coordinate angle of attack and thrust in all speed regimes if the airplane . relative to the equilibrium of forces, because with the airplane in a nose-high attitude, .
http://www.free-online-private-pilot-ground-school.com/Aerodynamics_in_flight.html