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Gravitatinal accelaration is low in moodn.Approximately 1/6 of Earth's accelaration.So periodic time increases.
Pendulum Terapy occupation uses pendulam
It is really a funny thing . It looks complicated that how does it work . Actually it is simple . There is a tiny motor inside the phone which has a D shape pendulam in its head . And when the motor runs it creats vibration .
Invar (a special iron - nickel alloy) is used in pendulam instead of aluminium ,in order to decrease the expansivity.
vibratory means stationary with no motion, oscillatory means with uniform motion like pendulam.
If the pendulum was subject to earth surface gravity figure Radius of earth = 6371000 metres (l) acceleration due to gravity = 9.82 m/s/s (g) > t = 2 * pi * (square root ( l / g)) t = 5061 seconds (out and back to same point)
This popular american rock bank was made up by lead singer Jon Fogerty, Tom Fogerty, Doug Clifford and Stu Cook. Their most popular song 'Bad Moon Rising' was released in 1969 at the height of the band's popularity.
Make the pendulum longerMake the pendulum heavierMake it swing in a vacuumLubricate the pivot point to reduce frictionItem 1 is the only way to make the "period" longer. The period being the time to complete a cycle. The other suggestions will make the pendulum swing for a longer time but will not affect the period.