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Unformatted text preview: A B C E d h α β Problem 3. Consider the Particle under the action of the three forces F1 F2 and F3 as shown. Using the grid provided where the grid spacing represents 1 N, a) (3 points) write each force vector in a vector component form b) (3 points) write each vector in terms of unit vectors i and j c) (2 points) algebraically determine the net force along the x and y axes. d) (2 points) Is the particle in static equilibrium? Explain your answer. e) (5 points) Evaluate ( F 1 + 3F 2 )·(F 2 – 2F 3 ). f) (5 points) Find cosine of the angel between forces F 2 and F 3 .(hint: use dot product F 2 F 3 )...
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 Spring '07
 walker
 Dot Product, Law Of Cosines, Force, Euclidean vector, F3

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