Dinamika Kuch Amaliy qism

B) 6,67_* 10^-11
C) 66,7
D) 6

11. 
    Massalari m₁ va m₂ bo‘lgan jismlar orasidagi masofani ikki marta ortirsak, ular orasidagi tasir kuchi qanday bo‘ladi?
    

A) 2 marta kamayadi
B) 4 marta ortadi
C) 4 marta kamayadi
D) 2 marta ortadi

12. 
    Yerning massasi 5,98⋅10²⁴ kg, quyoshning massasi 1,98⋅10³⁰ kg ularning massa markazlari orasidagi masofa esa 1,49⋅10¹¹ m ga teng bo’lsa, ular orasidagi tortishish kuchini toping.
    

A) 35,57⋅10²¹ N
B) 57,35⋅10¹² N
C) 53,75⋅10²¹ N
D) 37,55⋅10²¹ N

13. 
    Oy bilan yer massa markazlari orasidagi masofa 3,84⋅10⁸ m ga teng. Massalari esa 7,33⋅10⁸ kg va 5,98⋅10²⁴ kg teng bo‘lsa ular qanday kuch bilan tortishadi?
    

A) 19,83⋅10⁵ N
B) 83,19⋅10⁵ N
C) 31,98⋅10⁵ N
D) 47,43⋅10⁵ N

14. 
    Massasi m₁ ga teng bo‘lgan jism m₂ massali jism bilan tortishi kuchi F ga teng bo‘lib, ular orasidagi masofa r ga teng. m₁ maasali jism boshqa bir massasi m₂=4m₃ massali, hamda ular orasidagi masofa 2r ga teng. m₁ va m₃ massali jism qanday kuch bilan tasizlashadi.
    

A) 4 F B) F/16
C) 16 F D) F/4

15. 
    Agar massasi yer massasidan ikki marta katta bo‘lgan sayyora quyosh bilan qanday kuch bilan tasirlashadi. Yerning massasi 5,98⋅10²⁴ kg, orasi-dagi masofa esa 1,49⋅10¹¹ m ga teng.
    

A) 71,14⋅10¹² N B) 14,71⋅10¹² N
C) 71,14⋅10²¹ N D) 71,14⋅10²² N

16. 
    Erkin tushish tezlanishi jism massasiga bog‘liqmi?
    

A) bog‘liq
B) massasi katta jismlar katta tezl-anish oladi
C) bog‘liq emas
D) massaga teskari praportsianal

17. 
    Erkin tushish tezlanishini topish formulasini ko‘rsating.
    

A) g= B) g=
C) g= G D) g=

18. 
    Gravitatsion doimiyning o’lchov birligini ko‘rsating.