Question

For a new sailboat, a designer wants to determine the drag force that may be expected at a given speed. To do so, she places a model of the proposed hull in a test channel and uses three cables to keep its bow on the center-line of the channel. Dynamometer readings indicate that for a given speed, the tension is 35 lb in cable AB and 40 lb in cable AE. The drag force is exerted in the direction of Flow at point A. 7 ft ?1.5 ft 4 ft Flow 4 ft

Answer 1