Module 6 Test

Question 1

speed is defined as the ratio of the distance an object moves to what?

Answer 1

the amount of time needed to travel the distance

Question 2

How do you calculate average speed?

Answer 2

add the total distance and divide by the total time

Question 3

What does a horizontal (flat) line on a distance-time graph mean?

Answer 3

the object is at rest

Question 4

What is the acceleration of an object that moves with a constant velocity?

Answer 4

zero

Question 5

a point against which direction is measured

Answer 5

reference point

Question 6

How do you calculate acceleration?

Answer 6

Question 7

the time rate of change of an object’s velocity

Answer 7

acceleration

Question 8

measurement that has a distance unit divided by a time unit

Answer 8

speed

Question 9

What does the slope of a speed-time graph indicate?

Answer 9

acceleration

Question 10

a distance unit divided by a time unit and directional information

Answer 10

velocity

Question 11

What does the slope of a distance-time graph indicate

Answer 11

speed

Question 12

the distance an object travels plus the direction from the starting point

Answer 12

displacement

Question 13

a physical measurement that contains only magnitude (number) and does not contain directional information

Answer 13

scalar quantity

Question 14

Displacement is a vector quantity, so to combine them you must use ___.

Answer 14

vector addition

Question 15

How do you calculate relative velocity?

Answer 15

subtract the velocities

Question 16

a physical measurement that contains both magnitude (number) and directional information

Answer 16

vector quantity

Question 17

How do you calculate velocity?

Answer 17

distance divided by time and always include the direction

Question 18

unit of measurement with directional information

Answer 18

displacement

Question 19

a distance unit divided by a time unit squared with directional information

Answer 19

acceleration