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A clothesline is attached to two fixed ends which are 10.0m apart. A pulley of mass 40.0kg hangs freely in the middle of the line. The sag at the centre is 0.20m. Find the tension in each half of the clothesline.
12 years ago

Answers

Elena
α is the angle that tention T makes with vertical line
tan α=5/0.2 =25
α=87.7⁰
2Tcos α=mg
T=mg/2cos α =40•9.8/2•cos87.7⁰ =4884 N
12 years ago

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