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تكفووون الفزعة في حل السؤال البسيط .... بالانجليزي يالفيزيائييين؟؟؟؟؟؟
Apainting staging is in mechanical equilibrium it only carries one person weighing 650 N and the tension in each rope is 400N
?what is the weight of the staging |
الساعة الآن 18:17 |
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