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Gravitational Field Strength due to a Uniform Rod 
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#1
Jun1614, 03:27 PM

P: 57

I am trying to learn Physics an dI am reading a booK about classical mechanics.I a stuck somewhere in there If you know a gravitational force to a uniform rod I saw there a x and dx Why we need them ?
Thanks! 


#2
Jun1614, 03:40 PM

Sci Advisor
P: 6,037

You need to integrate the gravitational effects of infinitesimal lengths along the rod to get the total for the rod.



#3
Jun1614, 03:43 PM

Sci Advisor
Thanks
P: 3,456




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