physics chapter 2

Question 1

a simplified version of a motion diagram in which the object in motion is replaced by a series of single points

Answer 1

particle model

Question 2

a series of images showing the positions of a moving object at equal time intervals

Answer 2

motion diagram

Question 3

tells you the location of the zero point of the variable you are studying and the direction in which the values of the variable increase

Answer 3

coordinate system

Question 4

the point at which both variables have the value zero

Answer 4

origin

Question 5

quantities that have both size (magnitude) and direction

Answer 5

vectors

Question 6

quantities that are just numbers without any direction

Answer 6

scalars

Question 7

the vector that represents the sum of the other two vectors

Answer 7

resultant

Question 8

time, distance, temperature, volume, speed

Answer 8

scalars

Question 9

increase/decrease in temperature, velocity

Answer 9

vector

Question 10

the difference between two times

Answer 10

time interval

Question 11

change in position

Answer 11

displacement

Question 12

data presented by plotting the time data on a horizontal axis and the position data on a vertical axis

Answer 12

position-time graph

Question 13

the speed and direction of an object at a particular instant

Answer 13

instantaneous position

Question 14

the slope of a position-time graph for an object

Answer 14

average velocity

Question 15

absolute value of the slope of a position-time graph

Answer 15

average speed

Question 16

the slope of the line tangent to the curve on a position-time graph at a specific time is the…

Answer 16

instantaneous velocity

Question 17

the magnitude of a vector is always

Answer 17

positive

Question 18

the distance and direction between two positions

Answer 18

displacement

Question 19

displacement

Answer 19

vector quantity

Question 20

a quantity that tells you only magnitude

Answer 20

scalar quantity

Question 21

ratio of total distance traveled to the time interval

Answer 21

average speed

Question 22

the magnitude of velocity

Answer 22

speed

Question 23

the magnitude of displacement

Answer 23

distance