Vector Magnitude and Direction

Vector Notations and

Magnitude & DIrection of Vectors

by SITI ADIBAH ISMAIL

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Multiple Choice

An Arrow with a Magnitude and Direction

• Scalar

• Vector

• Refractor

• Tip to Tail

Multiple Choice

In vector $$\overrightarrow{AB}$$ point B is the ______________

• initial point, also known as the tip

• initial point, also known as the tail

• terminal point, also known as the tip

• terminal point, also known as the tail

Multiple Choice

Find the magnitude of this vector (each square is 1 unit long)

• 4

• 5

• 3

• $$\sqrt[]{5}$$  

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Multiple Choice

Which of the following describes the vector above?

• 45 cm

• 45 cm at 30 degrees North of East

• 45 cm at 30 degrees East of North

• 45 cm North East

Multiple Choice

The component form of a vector describes:

• the horizontal and vertical change of the vector

• the slope of a vector

• where it starts on your graph

Multiple Choice

Find the magnitude of  $$\overrightarrow{w}=<3,\ 4>$$  

• magnitude 5

• magnitude 1

• magnitude 25

Multiple Choice

Find the magnitude of the vector <-5, 12>

• 13
• 10.91
• 7
• 17

Multiple Choice

Find the magnitude of A if A = <-3, 1>

• 6

• 8.2

• 3.16

• 10.4

Multiple Choice

Find the magnitude of a vector using ...

• Sine & Cosine
• Inverse Tangent
• Pythagorean Theorem
• Multiplication

Multiple Choice

Which of the following is always positive?

• vector
• scalar
• direction
• magnitude

Multiple Choice

Find the magnitude of the vector <5, 5>

• 0
• 10
• 25
• 7.07

Multiple Choice

Vectors are drawn as…

• A graph 
• A sketch 
• An arrow 
• Small as possible

Multiple Select

Find the direction angle and magnitude of the vector <-7, 0>

Select all that apply.

• magnitude = 7

• magnitude = -7

• 90°

• 180°

• 270°

THE LAST

QUESTION

Multiple Choice

4) North is how many degrees? 

• 0⁰
• 90⁰
• 180⁰
• 270⁰