Adding and subtracting vectors

What is another way to find the resultant of two vectors?

• Vector Method

• The Spherical Method

• Mirror Method

• The Triangle Method

What is the resultant vector?

Calculate 2c + 3d - 10e

Write your answer like this: (a, b) where a is the top number of the vector and b is the bottom number of the vector.

Vector u has a magnitude of 7 with a direction of 45°. Vector v has a magnitude of 8 with a direction of 32°. Which vector components represent the sum of u + v?

• (11.37, 9.91)

• (11.73, 9.19)

• (-11.73, -9.19)

• (9.19, 11.73)

Given the following two vectors:

A= 3i+5j-2k

B= 6i+8j-2k

What is the sum of the two vectors?

• 10i-12j-4k

• 9i+13j-4k

• -9i+13j+4k

• none of the above

How do you combine vectors if they are in the same direction?

• Add
• Subtract
• Pythagorean Theorem
• Use Trigonometry

Given v = 〈3,-5〉 and w = 〈-2,3〉, what is v + w?

• 〈6,-10〉
• 〈1,-2〉
• 〈0,-1〉
• none of these

 $\vec{u}$  = 120 m/s [W]
 $\vec{v}$  = 90 m/s [N]
Determine  $\vec{u}+\vec{v}$  

• [ 120, 90 ]

• [ -120, 90 ]

• [ 120, -90 ]

• [ -120, -90 ]

What is the name of this method?

• Parallelogram method of vector addition

• Polygon method of vector addition

• Pythagoras Teorem

• Composition of vectors

Describe translation AB using a column vector

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