Question

what is most often given a value of zero to describe an objects position on a straight line?
displacement
reference point
distance
ending location

Explanation:

In physics, a reference point is commonly assigned a value of zero to describe an object's position on a straight - line. Displacement is a vector quantity measured from an initial to a final position. Distance is a scalar quantity of the path length. The ending location is just the final position relative to some other point.

Answer:

B. reference point