Natijaviy kuchlarni topish uchun umumiy formula nima?

Physics Test Questions

Quiz
•
Physics
•
1st - 5th Grade
•
Hard
o'g'loy o'g'loy
Used 1+ times
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44 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fn=F1+F2-2F1F2cosα
Fn=F1+F2+2F1F2cosα
Fn=F1+F2-2F1F2sinα
Fn=F1+F1-2F1F1cosα
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30 N va 40 N kuchlar 180 daraja burchak ostida ta'sir etmoqda. Ularning natijaviy kuchini toping.
70 N
10 N
40 N
50 N
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20 kg massali bir jismlar radiusi 4 m bo'lgan doirada 3 m/s tezlikda aylanmoqda. Jismga ta'sir etayotgan markaziy kuchni toping.
20 N
10 N
15 N
45 N
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yerning gravitatsiya doimiyligi va radiusini toping.
G= 6.67*10^11, R= 4370 km
G= 6.67*10^-11, R= 3185 km
G= 6.67*10^-11, R= 6370 km
G= 16.67*10^11, R= 6400 km
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ikkinchi kosmik tezlik formulasi aniqlang.
ϑIII=2*gR
ϑIII=2*2*gR
ϑIII=2*gR
ϑIII=16.7 km/s
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Agar bir jism qo'llab-quvvatlash yoki osmon ustida kuch ishlatmasa, u __________ holatda deb ataladi. Bo'sh joyni to'ldiring.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
80 N og'irlikka ega yukning og'irligini toping, agar u stasionar liftda bo'lsa.
800
8
1000
98.1
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