Chap 3 - Vectors

Question 1

Answer 1

magnitude of acceleration

Question 1

a vector can be broken down into two perpendicular __________.

Answer 1

components

Question 1

How do you pronounce this?

Answer 1

“eye hat”

Question 1

Answer 1

Displacement vector

Question 2

Volume

(vector or scaler)

Answer 2

Scaler

Question 3

the length of a unit vector is

Answer 3

1

Question 3

How would you say this?

Answer 3

The velocity is equal to the displacement divided by the change in time.

(It would be incorrect to say “change in displacement” or to just say “time”)

Question 4

Weight

(vector or scaler)

Answer 4

Vector

(weight is a force)

(the direction of weight is pretty much straight down)

Question 5

Scaler quantity

Answer 5

Has a size (magnitude) only

Question 6

Answer 6

The y-component of acceleration

Question 7

Magnitude

Answer 7

How large or small something is

Question 9

Temperature

(vector or scaler)

Answer 9

Scaler

Question 10

How do you pronounce this?

Answer 10

“jay hat”

Question 11

Mass

(vector or scaler)

Answer 11

Scaler

Question 11

Acceleration

(vector or scaler)

Answer 11

Vector

Question 11

Answer 11

the unit vector in the x-direction

(eye hat)

Question 12

Position

(vector or scaler)

Answer 12

Vector

Question 14

vector quantity

Answer 14

Has both size and direction.

Question 15

Answer 15

the unit vector in the y-direction

(jay hat)

Question 16

Distance

(vector or scaler)

Answer 16

Scaler

Question 16

Adding two vectors by adding their components is called __________.

Answer 16

Algebraic addition of vectors.

Question 18

The sum of two vectors is called the ________

Answer 18

Resultant

Question 20

Answer 20

The component of velocity in the y-direction

Question 21

Answer 21

acceleration vector

Question 23

Speed

(vector or scaler)

Answer 23

Scaler

Question 25

multiplying a vector by “-1” will…

Answer 25

reverse its direction

Question 26

This will shrink or stretch a vector

Answer 26

multiplying by a scaler

Question 27

Answer 27

Position vector

(different than the displacement vector)

Question 28

Answer 28

The component of velocity in the x-direction

Question 29

Answer 29

Question 30

Time

(vector or scaler)

Answer 30

Scaler

Question 32

Force

(vector or scaler)

Answer 32

Vector

Question 33

breaking a vector down into components is called ___________.

Answer 33

vector decomposition

Question 34

A quantity that has both magnitude and direction

Answer 34

Vector

Question 35

Answer 35

The x-component of acceleration

Question 36

Displacement

(vector or scaler)

Answer 36

Vector

Question 37

The magnitude of a vector is a _________.

Answer 37

Scaler

Question 38

Answer 38

Magnitude of the velocity

Question 39

Answer 39

velocity vector

Question 40

Velocity

(vector or scaler)

Answer 40

Vector