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}$5√2
ب-$10\sqrt{2}$10√2
ج-$50\sqrt{2}$50√2
د-$100\sqrt{2}$100√2
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