Select the incorrect statements from the following S1: Average ve… - Vidyadip

MCQ

Select the incorrect statements from the following
S1: Average velocity is path length divided by time interval.
S2: In general, speed is greater than the magnitude of the velocity.
S3: A particle moving in a given direction with a non-zero velocity can have zero speed.
S4: The magnitude of average velocity is the average speed.

A
S2 and S3
B
S1 and S4
✓
S1, S3 and S4
D
All four statements

✓

Answer

Correct option: C.

S1, S3 and S4

(C)
Average velocity $=\frac{\text { Displacement }}{\text { Time interval }}$
A particle moving in a given direction with non-zero velocity cannot have zero speed. In general, average speed is not equal to magnitude of average velocity. However, it can be so if the motion is along a straight line without change in direction.
Hence, statements S1, S2 and S3 are incorrect while S2 is correct.

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