Water rushing from a fire hose exerts a horizontal force F1 of magnitude 200 lb. See
Chapter 7, Problem 47(choose chapter or problem)
Water rushing from a fire hose exerts a horizontal force \(F_1\) of magnitude 200 lb. See FIGURE 7.R.1. What is the magnitude of the force \(F_3\) that a firefighter must exert to hold the hose at an angle of 45 from the horizontal?
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