Physics
posted by Anonymous .
The force exerted by the wind on a sailboat is approximately perpendicular to the sail and proportional to the component of the wind velocity perpendicular to the sail. For the 792kg sailboat shown in the figure below, the force exerted by the wind on the sailboat is
Fsail =
550
N
m/s
vwindorthogonal.
Water exerts a force along the keel (bottom) of the boat that prevents it from moving sideways, as shown in the figure. Once the boat starts moving forward, water also exerts a drag force backwards on the boat, opposing the forward motion. If a 16knot wind (1 knot = 0.514 m/s) is blowing to the east, what is the initial acceleration of the sailboat?
m/s2
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