Unit 1: Introduction to Motion

Question 1

Motion is defined as a change in….

Answer 1

Position

Question 2

What is a Frame of Reference?

Answer 2

Frame of Reference refers to something that is NOT moving with respect to an observer that can be used to detect motion.

Question 3

Define a few examples of Relative directions.

Answer 3

Up, down, in, out, horizontal, vertical, left, right, forward, backward or sideways.

Question 4

Define the Cardinal Directions.

Answer 4

North, East, South, West

Question 5

What is a vector?

Answer 5

A vector is a measurement that has both size and direction.

Question 6

What is a vector represented by a…

Answer 6

Arrow

Question 7

The length of an arrow (Vector) represents….

Answer 7

Distance

Question 8

The way an arrow (vector) points represents….

Answer 8

Direction

Question 9

What is speed?

Answer 9

How fast or slow something goes.

Question 10

Speed determines how fast something travels in a given amount of…

Answer 10

Time

Question 11

The SI unit for speed is….

Answer 11

Meters per second (m/s)

Question 12

What’s the formula for calculating speed?

Answer 12

Distance/Time

Question 13

What is the Formula for Time?

Answer 13

Distance/Speed

Question 14

What is the Formula for Distance?

Answer 14

Speed x Time

Question 15

In a position time graph, the y-axis represents…

Answer 15

Position (Distance)

Question 16

On a Position Time Graph, what does the X-axis represent?

Answer 16

Time

Question 17

What is a Velocity?

Answer 17

Measurement of both speed and direction.

Question 18

When using a vector to represent velocity, the length of the arrow stands for….

Answer 18

Speed

Question 19

When using a vector to represent velocity, the way an arrow points indicates….

Answer 19

Direction

Question 20

Objects have the same velocity only if they are moving at the same…?

Answer 20

Speed and Direction

Question 21

Objects moving at different _______, ________, or ______ have different Velocities. Fill in the blanks. (P.S: The blank orders don’t matter!)

Answer 21

Speeds, Directions and both.

Question 22

A velocity-time graph shows how Velocity changes over….?

Answer 22

Time

Question 23

Time is plotted on what axis in a Velocity Time Graph?

Answer 23

X

Question 24

What axis is Speed or velocity plotted in on a Velocity Time Graph?

Answer 24

Y

Question 25

What does a straight horizontal line indicate on a Distance Time Graph?

Answer 25

The Object is at rest for a certain period of time.

Question 26

On a Distance Time Graph, what does a positive slope mean?

Answer 26

Maintaining constant speed OR going away from the starting point.

Question 27

On a Distance Time Graph, a negative slope means…

Answer 27

Going back to the starting point OR constant speed.

Question 28

What does a straight horizontal line indicate on a speed/time graph?

Answer 28

Constant Speed

Question 29

On a Speed/Velocity Time Graph, what does a positive slope mean?

Answer 29

Increasing Speed, Acceleration

Question 30

On a Speed/Velocity Time Graph, what does a negative slope mean?

Answer 30

decreasing speed, deceleration

Question 31

On a Speed/Velocity Time Graph, what does a line on the x axis mean?

Answer 31

No movement, stationary