1-mavzu. (Test)

29-mavzu.(Test)

1.Matematik mayatnik yukining massasi 4marta ortsa uning tebranish davri qanday o’zgaradi?

A)2marta ortadi B)2marta kamayadi C)O’zgarmaydi D)TJY

2.Agar matematik mayatnik ipining uzunligi 16marta ortsa uning tebranish davri qanday o’zgaradi?

A)4marta ortadi B)4marta kamayadi C)O’zgarmaydi D)2marta ortadi

3. Matematik mayatnikni tebranish davri 2s ga teng agar mayatnik 30m/s² tezlanish bilan vertikal yuqoriga harakatlansa uning davri qanchaga teng bo’lib qoladi?

A)2s B)1s C)3s D)4s

4.Ipining uzunligi 10m bo’lgan matematik mayatnik qanday davr bilan tebranadi? g=10m/s²

A)3,14s B)6,28s C)9,42s D)1,57s

5.Vaznsizlikda matematik mayatnikni tebranish davri qanday bo’ladi?

A)Cheksiz katta B)Cheksiz kichik C)Aniqlab bolmaydi D)TJY

6.Tebranish davri 24s bo’lgan matematik mayatnik qancha vaqtda muvozanat vaziyatidan yarim amplitudaviy vaziyatga o’tadi?

A)6s B)4s C)2s D)12s

7.Matematik mayatnikni tebranish davri quyidagilarni qaysi biriga bog’liq emas?

A)Ipning uzunligiga B)Erkin tushish tezlanishiga C)Tezlanishga D)Yuk massasiga

8.Ipining uzunligi 2,5m bo’lgan matematik mayatnikni siklik chastotasini toping?(rad/s)

A) 4 B)3 C)2 D)1

9.Matematik mayatnikni tebranish davri 4 marta ortishi uchun ipining uzunligini necha marta oshirish kerak?

A)4 B)8 C)16 D)32

10.Tebranish davri 3s bo’lgan mayatnik va tebranish davri 4s bo’lgan mayatnik iplarini ulab hosil qilingan mayatnik qanday davr bilan tebranadi?

A)5s B)6s C)7s D)8s