اثرت قوة  ق =( 3ن + 1 ) نيوتن  على جسم ساكن كتلته 4 كجم مبتدئا حركته من نقطة الاصل 

على خط مستقيم فان ع بعد 2 ث =....................................

ا- 2 سم /ث

ب- 2م/ ث

ج- 5م/ث

د-9م/ث

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جسيم يتحرك بسرعة منتظمة فى خط مستقيم تحت تاثير القوتين   \overline{ق1}\ =ا\ \overline{س}\ -3\ \overline{ص}\ +\ 4\overline{ع}\ \ ,\ \overline{ق2}\ =\ 6\ 6\overline{س}\ +\ ب\ \overline{ص}\ -\ ج\ \overline{ع}    فان ا + ب +جـ = ................

ا- 1

ب- -1

ج- 2

د- 7

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جسم كتلته 60 جم موضو على نصد افقى خشن ثم وصل بخيط خفيف يمر بكرة

صغيرة ملساء عند حافة النضد وحمل فى طرفة جسما  كتلته 38 جم يتدلى  راسيا فاذا تحركت المجموعة

من السكون وقطعت مسافة 70 سم  فى ثانية واحدة . احسب معامل الاحتكاك

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اثرت قوة ق = " 3 ن + 1 " نيوتن على جسم ساكن كتلته 4 كجم مبتدئا

حركته من نقطة الاصل على خط مستقيم فان ع بعد 2 ث = ......

• 2 سم / ث
• 2 م / ث
• 5 م / ث
• 9 م/ ث

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علق جسم فى ميزان زنبركى مثبت فى سقف مصعد فسجل الميزان القراءة 7

ث كجم عندما كان المصعد ساكنا ثم سجل القراءة 8 ث كجم عندما تحرك

المصعد راسيا بعجلةمنتظمة . اوجد مقدار واتجاه العجلة التى تتحرك بها المصعد

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جسم كتلته الوحدة يتحرك تحت تاثير القوة

ق = " ا + 3 . ب " فاذا كان متجه ازاحته :

ف = ن2 س +    ن2 ص . فان ا + ب = .............

• صفر
• 1
• -1
• 2

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سيارة قدرة التها ثابتة واقصى سرعة لها عند صعودها منحدر ما هى 54 كم / س

واقصى سرعة لها عند هبوطها نفس المنحدر هى 108 كم / س

اوجد اقصى سرعة تتحرك بها على مستوى افقى علما بان المقاومة لحركة

ثابتة فى الحالات الثلاث

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علق جسم فى ميزان زنبركى مثبت فى سقف مصعد فسجل الميزان القراءة 7 ث كجم عندما كان 

المصعد ساكنا تم سجل القراءة 8 ث كجم  عندما تحرك  المصعد راسيا بعجلة منتظمة  اوجد مقدار

واتجاه العجلة التى يتحرك بها المصعد 

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اثرت قوة ق = ( 3 ن + 1 ) نيوتن على جسم ساكن كتلته 4 كجم  مبتدئا حركته من نقطة  الاصل 

على خط مستقيم فان ع بعد 2 ث = .....................................

ا- 2 سم / ث 

ب- 2م / ث 

ج-5م/ث

د-9م/ث

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