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I was wondering how to go about a pendulum problem, basically if we have a clock pendulum that oscillates with period 2s unaffected; if we add a large mass on the floor, so that the pendulum experiences some small extra gravitational force towards the floor.

Now I have determined this force and therefore the extra vertical acceleration due to this added floor mass but I now have to determine how this affects the period.

So provided I know the extra vertical acceleration, how do I determine the effect this has on the period?

Thanks guys!

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# Homework Help: Pendulum Period change due to gravitational force change

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