1. When is an object considered to be in motion?
1. When its position changes with respect to a point of reference,
II. When its distance changes with respect to a point of reference,
III. When its direction changes with respect to a point of reference,
A. I and II only
C. II and III only
B. I and III only
D. I, II, and III
For questions 2 and 3, refer to the table below. Data were obtained from a 200-​