From the above figure, a uniform meter rule is suspended by two cords from a height. Calculate T?
T x 80 + 15 x 10 = W x 50
80T + 150 = 50W - - -- - - - - -(1)
T + 15 = W - - - - - - - - - - - (2)
80T + 150 = 50(T + 15)
80T + 150 = 50T + 750
30T = 750 - 150
30T = 600
T = 20N
The closest option is 19.2N
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