**Unformatted text preview: **(with 1 2 a a-= ) to give N. 191 kg) . 28 kg . 15 ( ) s m (9.80 kg) (28.0 kg) . 15 ( 2 2 or , 2 ) ( 2 2 1 2 1 2 1 2 1 = + = + = =-+ m m g m m T g m m m m T In terms of the weights, the tension is . 2 2 2 1 1 2 2 1 2 1 m m m w m m m w T + = + = If, as in this case, 2 1 2 1 2 2 , m m m m m + and , 2 2 1 1 m m m + < so the tension is greater than 1 w and less than ; 2 w this must be the case, since the load of bricks rises and the counterweight drops....

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