Question Number 29012 by mrW2 last updated on 03/Feb/18
Commented by mrW2 last updated on 03/Feb/18
$${See}\:{Q}\mathrm{28940} \\ $$$${A},{B},{C}\:{are}\:{three}\:{points}\:{on}\:{the}\:{roof}. \\ $$$${Find}\:{the}\:{tension}\:{in}\:{the}\:{threads}. \\ $$$${Assume}\:{all}\:{threads}\:{are}\:{taut}. \\ $$