MFE Chapter 1 Describing Motion Lesson 1 Position and Motion

The description of an object's position depends on...

• a velocity.

• an object.

• a reference point.

• a displacement.

When you describe a position, you only specify a distance.

• True.

• False.

Directing someone to walk north and west is describing a position in two dimensions.

• True.

• False.

Whether motion occurs depends on the reference points you use.

• True.

• False.

Displacement does not require movement.

• True

• False

The starting point describing the location of an object is the...

• displacement.

• positive direction.

• negative direction.

• reference point.

Which statement indicates that motion has occurred?

• The reference point has changed.

• The position of the object has changed.

• The object has changed.

"The store is located 3 blocks west and four blocks south of the gas station" is a set of directions in

• one dimension.

• two dimensions.

• three dimensions.

• town.

When describing an object's position, you must give...

• a distance and a speed.

• a direction and a distance.

• a displacement and a distance.

• a direction.

Distance equals displacement only when motion is in...

• one direction.

• two directions.

• two dimensions.

• three dimensions.