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Does the time period of a pendulum change if raised by about 1 km?Does the time period of a pendulum change during free fall?

Asked by joykphukan 28th February 2015, 8:17 PM
Answered by Expert
If a pendulum is raissed by 1 km, then its time period increases. This is because g decreases with altitude.
Consider a pendulum hanging from the ceiling of a lift. If the lift is in free fall, then the time period will be infinity. This is because the pendulum will not feel any gravity and will be weightless.
Answered by Expert 3rd March 2015, 10:49 AM
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