A clothesline is tied between two poles, 8 m apart. The line is quite taut and has negligible sag. When a wet shirt with a mass of .8kg is hung at the middle of the line, the mid-point is pulled down 8 cm. Find the tension in each half of the clothesline.

Question

A clothesline is tied between two poles, 8 m apart.  The line is quite taut and has negligible sag.  When a wet shirt with a mass of .8kg is hung at the middle of the line, the mid-point is pulled down 8 cm.  Find the tension in each half of the clothesline.

anonymous · Answer

|dw:1327598794475:dw|  I can find the tan-1 of the indicated angles and the magnitude of the remaining sides but I don't know where to go from there.