The figure below shows the horizontal forces acting on a sailboat moving north a

Question

The figure below shows the horizontal forces acting on a sailboat moving north at constant velocity, seen from a point straight above its mast. At the particular speed of the sailboat, the water exerts a = 366-N drag force on its hull and ? = 46.5 degree . For each of the situations (a) and (b) described below, write two component equations representing Newton's second law. Then solve the equations for P (the force exerted by the wind on the sail) and for n (the force exerted by the water on the keel)

Explanation / Answer

P*sin46.5 = F

P = F/sin46.5 = 366/(sin46.5) = 504.567 N

P*cos46.5 = n

n = 504.567*cos46.5 = 347.321 N

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