chapter 8 Measurement of Time and Motion - Part 6

Why is a stopwatch preferred to a wall clock for a 100 m race?

Type: MCQ • Marks: 1
Why is a stopwatch preferred to a wall clock for a 100 m race?
Options
A. It uses no time unit
B. It can measure short intervals more precisely
C. It is affected by darkness
D. It measures distance too
Explanation
A stopwatch can be started and stopped exactly, making short-event timing more accurate.
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