Chp 2 Representing Motion - Concept Questions

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

• particle model

• coordinate system

• position

• origin

The speed and direction of an object at a particular instant.

• instantaneous velocity

• average velocity

• instantaneous acceleration

• vector

Another term given for the size of a vector.

• distance

• displacement

• magnitude

• resultant

The location of an object relative to an origin.

• position

• distance

• displacement

• coordinate system

t_f - t_i

• origin

• position

• distance

• time interval

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

• displacement

• average velocity

• average speed

• average acceleration

A zero point in a coordinate system.

• motion diagram

• origin

• distance

• scalar

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

• position-time graph

• time-position graph

• distance-time graph

• time-distance graph

A quantity with both magnitude and direction.

• particle model

• coordinate system

• vector

• scalar

A series of images showing the position of a moving object

over equal time intervals.

• motion diagram

• particle model

• coordinate system

• origin