Describing Motion

When you describe a position, you must 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 point you use.

• True

• False

Displacement does not require movement.

• True

• False

What is the starting point when describing the motion of an object.

• reference point

• negative direction

• positive direction

• Leevers

The reference direction is the _____________ direction.

• positive

• negative

• left

• right

Opposite the reference direction is the _______________ direction.

• positive

• left

• right

• negative

Which is a reference direction?

• faster

• the street

• to the north

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

The velocity of an object is the same as its speed.

• True

• False