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اذا اثرت القوتان  $\overline{2ق}\ =\ 2\ \overline{س}\ -\ \overline{ص}\ -\ 2\ \overline{ع}$2ق = 2 س  ص  2 ع   على جسم لفترة زمنية قدرها 2 ث

فان مقدار دفع القوى للجسم = ................. نيوتن / ث

ا-  $5\sqrt{2}$52

ب-$10\sqrt{2}$102

ج-$50\sqrt{2}$502

د-$100\sqrt{2}$1002

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