ICSE Class 6 Answered
why is pendulam not used for time?
Asked by rashmi101178 | 21 Aug, 2018, 09:04: AM
Expert Answer
The pendulum may not be used for time measurement for the following reasons:
- The string used in pendulum should not have any change in its length while moving. However, all strings, do get a minute change in their lengths as they are extended gradually, with time. This will yield into incorrect measurement of time.
- The pendulum is supposed to move perfectly in one plane. This situation is also very difficult to maintain for a pendulum, becasue in normal conditions, due to air disturbance the pendulum may move conically, thus, disturbing the accuracy of time.
Answered by Abhijeet Mishra | 21 Aug, 2018, 05:53: PM
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