BHS Vector addition review

If vector a= (4, -5) and vector b= (-7, 4) Find a+b

• (3, 9)

• (-3, -1)

• (11, 1)

• (-3, -9)

A resultant vector is

• equal to the sum of one vector.

• equal to the sum of two or more vectors.

• equal to the difference of one vector.

What is the resultant of these two vectors?

• +17 m

• +3 m

• -17 m

• -3 m

If two vectors to be added are at right angles, you will need to....

• Multiply

• Divide

• Pythagorean Theorem

• Use trigonometry

When using the head-to-tail method to draw a vector addition diagram, the resultant is drawn from the _____ .

• head of the first vector to the tail of the last vector

• tail of the first vector to the head of the last vector

• head of the last vector to the tail of the first vector

• tail of the last vector to the head of the last vector

If vector A has an y component of 12 units and a x component of 7 units, which would allow you to solve for the DIRECTION of vector A?

• $\sqrt{12^2-7^2}$

• $\sqrt{12^2+7^2}$
  

• $\tan^{-1}\left(\frac{12}{7}\right)$
  

• $\tan^{-1}\left(\frac{7}{12}\right)$
  

What is the x component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N

Tags

CCSS.HSN.VM.A.1

CCSS.HSN.VM.A.2

If vectors X and Y are added, then the resultant would be best represented by vector _____. 

• A
• B
• C
• D

Tags

CCSS.HSN.VM.A.1

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.10

• 17
• 149
• 3
• 12.2

How do you determine the horizontal component of a 30 m/s vector at 110 degrees?

• 30 sin 110
•  30 cos 110
• 110 sin 30
• 110 cos 30