Question

Which of the following statements is/are not true for a round trip along the same route?

• A. Average speed is zero in a round trip
• B. Average velocity is zero in a round trip
• C. Average velocity and average speed, both are non-zero
• D. Average velocity is non-zero because displacement is non-zero.

Answer 1

Answer: (A), (C), (D)

The correct options are
A

Average speed is zero in a round trip

C

Average velocity and average speed, both are non-zero

D

Average velocity is non-zero because displacement is non-zero.

The average speed depends on the total distance travelled which is non-zero in this case. On the other hand, the average velocity depends on the total displacement of the body, which in this case is zero.