Two objects with masses m = 56 kg and M = 76 kg are connected by...

 

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Two objects with masses m = 56 kg and M = 76 kg are connected by a weightless and inextensible string, tied to the ceiling of a descending elevator car. The tension in the lower string is known and is equal to T = 520 N. Find the tension T1 (N) in the upper string. Gravitational acceleration g = 9.81 m/s2. ////// 18 m M 16) Two objects with masses m = 56 kg and M = 76 kg are connected by a weightless and inextensible string, tied to the ceiling of a descending elevator car. The tension in the lower string is known and is equal to T = 520 N. Find the tension T1 (N) in the upper string. Gravitational acceleration g = 9.81 m/s2. ////// 18 m M 16)