تم الإجابة عليه: يحمل مصعد كهربائي كتلة وزنها 200نيوتن مسافة 10م ويبذل شغلا ضد قوة الاحتكاك قدرة 1000جول ما مقدار الشغل الذي ينجزه المصعد

ج. الشغل الكلي =الشغل في اتجاه الحركة +الشغل المبذول ضد قوة الاحتكاك =
(200*10)+(1000*1)=3000جول

أخر المواضيع من قسم : اسألني

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تم الإجابة عليه: يحمل مصعد كهربائي كتلة وزنها 200نيوتن مسافة 10م ويبذل شغلا ضد قوة الاحتكاك قدرة 1000جول ما مقدار الشغل الذي ينجزه المصعد

أخر المواضيع من قسم : اسألني