An Object Moves with Constant Speed in a Straight Line

Multiple Choice

An object moves with constant speed in a straight line. Which of the following statements can be true according to Newton's laws of motion? I. No force is acting. II. Only one nonzero force is acting.III. Two nonzero forces are acting. IV. Three nonzero forces are acting.

A) Only I.
B) Only I and II.
C) Only II and III.
D) Only I, III, and IV.
E) Only II, III, and IV.