Two blocks tied to a string block one can exert max friction 70 N and block two 40 N .block one pulled by 120 N and block two by 100 N . systemin eequilibrium consider blocks as point masses ( a great hint! Think why? ) find friction at block 1 at block 2 and tension in string. Must have gud hold on basic of friction and the conditions necessary for max friction. System lies on horizontal surface. Units in newton don't solve my complex mathematical equation s its just oral problem .
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