A vector force F1 of 3 N is direcected in 20 degrees North of West, and a vector force F2 of 4 N is directed in 60 degrees East of North. 1. Draw each vector F1 and F2 in the xy-plane. 2. Write the magnitude and the direction of each vector. A. Triangle Method of Adding Vectors 1. Draw the resultant vector F3 = F1 + F2 . 2. Calculate the magnitude of the resultant vector F3 ( cosine rules). 3. Determine the direction of the resultant vector F3 ( sine rules). 4. Draw the resultant vector F4 = F1 - F2 . 5. Calculate the magnitude of the resultant vector F4 ( cosine rules). 6. Determine the direction of the resultant vector F4 ( sine rules).

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter3: Vectors
Section: Chapter Questions
Problem 52PQ: A Three vectors all have the same magnitude. The symbol for the magnitude of each of these vectors...
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A vector force F1 of 3 N is direcected in 20 degrees North of West, and a vector force F2 of 4 N is directed in 60 degrees East of North. 1. Draw each vector F1 and F2 in the xy-plane. 2. Write the magnitude and the direction of each vector. A. Triangle Method of Adding Vectors 1. Draw the resultant vector F3 = F1 + F2 . 2. Calculate the magnitude of the resultant vector F3 ( cosine rules). 3. Determine the direction of the resultant vector F3 ( sine rules). 4. Draw the resultant vector F4 = F1 - F2 . 5. Calculate the magnitude of the resultant vector F4 ( cosine rules). 6. Determine the direction of the resultant vector F4 ( sine rules).

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