the second hand
The second hand on the clock circles 420 times in 7 hours.
Because it counts seconds.
its least count will be one second
The hour hand, the minute hand and the second hand.
Second Hand
Second hand.
the second hand
The hands of a clock are always old since they continuously move and never stay in one position, indicating the passage of time.
The second hand on a clock is called the "second hand" because it measures seconds as they pass, helping to indicate the precise time.
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.
Because it counts seconds.
Because it points at the seconds? hours minutes seconds
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.