Which of the following statements is correct_______
A. When a particle moves in a straight line, its displacement must be equal to its distance
B. Two particles with the same displacement must travel the same distance.
C. When doing curvilinear motion, the magnitude of the displacement in a certain period must be less than the distance
D. If two particles travel the same distance, their displacements must be equal
Answer:C
Which of the following statements is correct_______
A. When a particle moves in a straight line, its displacement must be equal to its distance B. Two particles with the same displacement must travel the same distance. C. When doing curvilinear motion, the magnitude of the displacement in a certain period must be less than the distance D. If two particles travel the same distance, their displacements must be equal