Unit 1 Kinematics

Question 1

Scalars

Answer 1

A quantity that includes magnitude only

Question 2

Vector

Answer 2

A quantity that includes magnitude and direction

Question 3

What does magnitude refer to?

Answer 3

Size

Question 4

What are some examples of scalar quantities?

Answer 4

Temperature, volume, energy, mass, distance, speed

Question 5

How do you indicate that a quantity is a vector?

Answer 5

By using vector notation

Question 6

What is vector notation?

Answer 6

We draw an arrow over the symbol of that quantity to show that it’s a vector quantity

Question 7

What are some examples of vector quantities?

Answer 7

Displacement, position, velocity, acceleration

Question 8

How do you visually represent a vector?

Answer 8

We draw an arrow. The length of that vector represents the magnitude, and the direction of where the arrow points represents the direction of the vector quantity

Question 9

What is displacement?

Answer 9

Change in position

Question 10

What quantity is displacement?

Answer 10

A vector quantity

Question 11

What do the signs (+,-) of position and direction represent?

Answer 11

Describes their direction