1.

A body of mass mi ( 12 kg) is placed ona smooth horizontal table shown in figure.It is connected to a string which passes overa frictionless pulley and carries anotherbody of mass m2 ( 8 kg) at the other end.Calculate the acceleration produced in thebodies when the nail fixed on the table isremoved. (Take acceleration due to gravityg 10 m s2)nl1m2

Answer»

net force acting on the system is m2*g = 8*10 = 80

and total mass of the system is (8+12) = 20kg

so, acceleration of the system = 80/20 = 4m/s²



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