Instrucciones: resuelva los siguientes problemas 
Problem 1. The diagram below depicts a force that makes an angle to the horizontal. This force will have horizontal and vertical components.
respuesta :  es la D 
2. Three sailboats are shown below. Each sailboat experiences the same amount of force, yet has different sail orientations. In which case (A, B or C) is the sailboat most likely to tip over sideways? Explain.
ANSWER:  La letra C es la mas propensa a quedar a un costado ya que esta mas abajo y cerca del suelo
Problem 3. Consider the tow truck below. If the tensional force in the cable is 1000 N and if the cable makes a 60-degree angle with the horizontal, then what is the vertical component of force that lifts the car off the ground?