يسمى النظام الذي لا يكتسب كتلة ولا يفقدها

حفظ الزخم

Quiz
•
Physics
•
University
•
Easy

همس الهمس
Used 2+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
نظام خارجي
نظام معزول
نظام انتروبي
نظام مغلق
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
يقاس الزخم بوحدة؟
J
Kg .m/s
N.s
KW
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
حاصل ضرب كتلة الجسم على سرعتة المتجهة
الزخم
الدفع
قانون حفظ الزخم
الارتداد
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
أي العلاقات التالية تعبر عن الزخم؟
p = v/m
p = m/v
p = mv
p = 2mv2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
تعمل الوسائد الهوائية وفق نظرية
حفظ الزخم
الدفع - الزخم
الشغل-الطاقة
حفظ الطاقة
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
دراجة نارية كتلتها 200 كجم و سرعتها 3 م/ث يكون زخمها
900kg.m/s
300kg.m/s
600kg.m/s
200kg.m/s
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
يكون زخم النظام محفوظا (ثابتا) عندما يكون النظام
مغلقا ومعزولا
مفتوحا فقط
مغلقا فقط
معزولا فقط
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