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All the blocks are attached to an ideal rope which passes over an ideal pulley. If acceleration of blocks `m_(1),m_(2),m_(3)` and `m_(4)` and `a_(1),a_(2),a_(3)` and `a_(4)` respectively then choose the correct option.A. `{:(a_(1),a_(2),a_(3),a_(4)),(guarr,2guarr,3guarr,g//suarr):}`B. `{:(a_(1),a_(2),a_(3),a_(4)),(guarr,2g//3darr,3guarr,g//2darr):}`C. `{:(a_(1),a_(2),a_(3),a_(4)),(2g//3darr,2guarr,3guarr,guarr):}`D. `{:(a_(1),a_(2),a_(3),a_(4)),(gdarr,2//gdarr,3gdarr,2g//3darr):}` |
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Answer» Correct Answer - B Case :I `T_(1)=2mg` `ma_(1)=2mg-T_(1)` `impliesa_(1)=guarr` Case II: `T_(2)=mg` `3ma_(2)=3mg-T_(2)` `impliesa_(2)=2g//3darr` Case III: `T_(3)=4mg` `ma_(3)=T_(3)-mg` `impliesa_(3)=3guarr` Case IV: `T_(4)=mg` `2ma_(4)=2mg-T_(4)` `impliesa_(4)=g//2darr` |
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