Unit Vectors Video Lessons

Concept

# Problem: Let A = 4 î − 2 ĵ, B = −3 î + 5 ĵ, and F = A − 4B .a. Write vector F in component form.b. Draw a coordinate system and on it show vectors A, B, and F.c. What are the magnitude and direction of vector F ?

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Let A = 4 − 2 , B = −3 + 5 , and F = A − 4B .
a. Write vector F in component form.
b. Draw a coordinate system and on it show vectors A, B, and F.
c. What are the magnitude and direction of vector F ?