Chapter 2 Study Guide

Question 0

Displacement

Answer 0

Vector

->
Change in d = df - di

Question 1

Position

Answer 1

Vector

->
d

Question 2

Distance

Answer 2

Scalar

Question 3

Velocity

Answer 3

Vector

Change in d/change in t = v

Question 4

Speed

Answer 4

Scalar

Distance/Time

Question 5

Acceleration

Answer 5

Vector

Change in v/change in t

Question 6

Instantaneous velocity

Answer 6

The speed and direction if an object at a particular instant

Question 7

Magnitude

Answer 7

Another term given for the size of a quantity

Question 8

Distance def.

Answer 8

Location of an object relative to an origin

Question 9

Time interval

Answer 9

The formula tf-ti

Question 10

Vector

Answer 10

A quantity with both magnitude and direction

Question 11

Average velocity

Answer 11

Ratio of the change in position to the time interval during which the change occurred

Question 12

Coordinate system

Answer 12

A system that defines the zero point of the variable you are studying

Question 13

Origin

Answer 13

Zero point

Question 14

Position-time graph

Answer 14

A graph with time data on the horizontal axis and position data on the vertical axis

Question 15

Motion diagram

Answer 15

Shows a series of images showing the position of a moving object over equal time intervals

Question 16

Resultant

Answer 16

A vector that represents the sum of to or more vectors

Question 17

Particle model

Answer 17

A simplified motion diagram that shows the object in motion as a series of points

Question 18

Position def.

Answer 18

A scalar quantity that is the length it size of the displacement vector

Question 19

Scalar

Answer 19

A quantity that has only magnitude

Question 20

Instantaneous position

Answer 20

The location of an object at a particular instant

Question 21

Displacement def.

Answer 21

The vector quantity that defines the distance and direction between two positions

Question 22

Average speed

Answer 22

The absolute value of slope on a position-time graph