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Physics 74 Online
OpenStudy (anonymous):

what is the period of a simple pendulum 80cm long on the earth and when it is in a freely falling elevator?

OpenStudy (anonymous):

imagine a pendulum tilted to some angle.. and dropped frm a building.. what happesn?!

OpenStudy (anonymous):

\[T=2\pi \sqrt{L/g}\] when you're on earth (not falling). So if you're free falling, what changes? Nothing. Falling doesn't remove the force of gravity. So the period should not change

OpenStudy (anonymous):

Does that help?

OpenStudy (aravindg):

Hi, I can see that you are a new member here at OpenStudy so, I would first like to say Welcome to OpenStudy, I would like to point you to the chat pods these chat pods are where you can make new friends and talk to new people just like you, I would also like to emphasize our "NON-CHEATING POLICY" we ask here at OpenStudy that you do NOT post exam/Test questions if you are caught doing this we will notify your current school I would also like to ask you to check out the OpenStudy "Code of Conduct" http://openstudy.com/code-of-conduct Please read this carefully and thoroughly. Welcome to the OpenStudy Community! Ambassador

OpenStudy (anonymous):

are you like obliged to post that all the time? :P

OpenStudy (anonymous):

That's not right. Free fall is essentially indistinguishable from weightlessness. The pendulum will not oscillate.

OpenStudy (anonymous):

yup.. it will not oscillate!.. it ll just fall :D

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