Position and Motion

True or False: When you describe a position, you must only specify a distance.

• True

• False

True or False: Directing someone to walk north and west is describing a position in two dimensions.

• True

• False

True or False: Whether motion occurs depends on the reference point you use.

• True

• False

True or False: Displacement does not require movement.

• True

• False

The starting point describing the location of the object.

• reference point

• positive direction

• negative direction

• object

The reference direction

• reference point

• positive direction

• negative direction

• north

Direction opposite the reference direction

• reference point

• positive direction

• negative direction

• southeast

Which is a reference direction?

• faster

• the street

• to the north

• refererence

Which statement indicates that motion has occurred?

• the reference point has changed

• the position of the object has changed

• the object being described has changed

• none of these

An object's distance in a certain direction from a reference point.

• distance

• position

• motion

• none of these