Regarding displacement and distance, which of the following statements is correct_______
A. If the displacement of an object moving in a certain period is zero, then the object is not necessarily stationary
B. If the distance traveled by an object in a certain period is zero, then the object must be stationary
C. In curvilinear motion, the magnitude of the displacement of an object is less than its distance
D. All of these
Answer:D
Regarding displacement and distance, which of the following statements is correct_______
A. If the displacement of an object moving in a certain period is zero, then the object is not necessarily stationary B. If the distance traveled by an object in a certain period is zero, then the object must be stationary C. In curvilinear motion, the magnitude of the displacement of an object is less than its distance D. All of these