Because it counts seconds.
The hour hand, the minute hand and the second hand.
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the second hand
The second hand on the clock circles 420 times in 7 hours.
its least count will be one second
Sometimes, it is called a sweep hand, but the hands on a clock usually are called hour, minute, and second.
The hour hand, the minute hand and the second hand.
There are 3 hands. The second hand, the minute hand and the hour hand.
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Because it points at the seconds? hours minutes seconds
the second hand
The second hand on the clock circles 420 times in 7 hours.
The angular velocity of the second hand of a clock is pi/30 radians per second.
its least count will be one second
put clock oil on the second hand.
The second hand on a clock was invented by Swiss clockmaker Jost Burgi in the late 16th century. Burgi is also credited with developing the first mechanical timepiece with a second hand.
add a second minute hand. If you could add a second minute hand to an analog clock, you would be able to increase the precision by allowing the time to be determined to the second.