
The boat shown is following figure is to be pulled on to the show using two ropes.if the resulent force is to be F1 = 80lb directed along the line aa, determine the magnitudes of the force P so that the magnitude of P is minimum.T acts at an angle θ1 = 30° from the line aa the force P will be minimum for a certain angle between P and T
A 40 lb
B 56.56 lb
C 69.3 lb
D 77.27 lb
Solution
Correct Answer: Option A