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Two identical solid sphere of radius R placed in contact with each other, the gravitational attraction between them is proportionalto-(ans:R^4)?
Most Upvoted Answer
Two identical solid sphere of radius R placed in contact with each oth...
Force =Gm^2 /r^2 now mass = density x vol depending on r^3 therefore force will be proportional to m^6 /m^2 = m^4?
Community Answer
Two identical solid sphere of radius R placed in contact with each oth...
F=Gm^2/(2R)^2
=Gm^2/4R^2
=G (volume charge density×volume)^2/4R^2
=G (volume charge density×4/3piR^3)/4R^2
=(4G×volume charge density×pi^2 R^6)/12R^2
=(4G×volume charge density ×pi^2 R^4)/12
So,F is proportional to R^4
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Two identical solid sphere of radius R placed in contact with each other, the gravitational attraction between them is proportionalto-(ans:R^4)?
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