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Three solid sphere of mass M and radius R are placed in contact as shown in figure. Find the potential energy of the system ? |
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Answer» Solution :`PE=PE_(12)+PE_(23)+PE_(31)` `= - (GM^(2))/(2R)- (GM^(2))/(2R)- (GM^(2))/(2R) implies PE = -(3GM^(2))/(2R)`. 
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