Reviewing Vectors (so far)

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.

Tags

CCSS.HSN-VM.B.4C

What is the resultant vector of the two labeled vectors?

• +2 km

• +14 km

• -2 km

• -14 km

What is the magnitude of the resultant vector, r?

• 3

• 4

• 5

• 7

A vector includes ______ and ________.

• direction, magnitude

• magnitude, units

• direction, units

• scalars, scalars

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

• just add them together.

• use the Pythagorean theorem.

• use the Law of Cosines.

• subtract the smaller for the larger.

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

Which are mathematical/analytical methods of vector addition?

• Polygon Method

• Phythagorean Method

• Component Method

• Parallelogram Method

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

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

• (3, 9)

• (-3, -1)

• (11, 1)

• (-3, -9)

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

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

• (-11, -9)

• (11, 9)

• (11, -9)

• (-3, -1)

Tags

CCSS.HSN-VM.B.4C

If vector a= (4, -5) and vector b= (-7, 4) Find 2a-3b

• (29, -22)

• (13, -2)

• (1, 7)

• (29, -2)

Tags

CCSS.HSN.VM.B.5

CCSS.HSN.VM.C.10

CCSS.HSN.VM.C.11

When adding two vectors graphically, a+b=c. Does b+a produce the same resultant vector c?

• Yes, two vectors added together always produce the same resultant vector

• No, because order matters

• Yes, but c will be pointing in the opposite direction

• No, because you can't add two vectors

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B