Zvitubu zvakatevedzana uye zvakafanana - matambudziko nemhinduro
1. Chinhu che 160-gram chinonamira pamucheto wechitubu uye kuchinja kwehurefu hwechitubu i4 cm. Chii chinonzi kuchinja kwehurefu hwezvitubu zvitatu zvakabatana zvakatevedzana uye zvakafanana , sezvakaratidzwa mumufananidzo uri pazasi?
Zvinozivikanwa:
Kuchinja kwehurefu hwechitubu (Δx) = 4 cm = 0.04 m
Huremu (m) = magiramu makumi mana = 0.16 kg
Kukurumidza kunokonzerwa negiravhiti (g) = 10 m/s 2
Huremu (w) = mg = (0.16)(10) = 1.6 Newtons
Zvinodiwa: Kuchinja kwehurefu hwematsime matatu (Δx)
Solution:
Kuenzanisa kwemutemo waHooke :
k = w / Δx = 1.6 / 0.04 = 40 N/m
Masipiringi matatu ane chimiro chakafanana, k = 40 N/m.
Sarudza iyo yakafanana constant :
Chitubu 2 (k 2 ) nechitubu 3 (k 3 ) zvakabatana zvakafanana. Chimiro chakafanana:
k 23 = k 2 + k 3 = 40 + 40 = 80 N/m
Chitubu 1 (k 1 ) nechitubu 23 (k 23 ) zvakabatana zvakatevedzana. Chimiro chakafanana:
1/k = 1/k 1 + 1/k 23 = 1/40 + 1/80 = 2/80 + 1/80 = 3/80
k = 80/3
Sarudza shanduko muhurefu hwematsime matatu:
Δx = w / k = 1.6 : 80/3 = (1.6)(3/80) = 4.8 / 80 = 0.06 m = 6 cm
2. Masipiringi matatu ane chinoramba chimwe chete chakabatana mu series uye parallel , uye chinhu chinorema 2-kg chakabatanidzwa kune rimwe divi rechitubu, sezvakaratidzwa mumufananidzo uri pazasi. Chiramba chechitubu i k 1 = k 2 = k 3 = 300 N/m. Chii chinonzi shanduko muhurefu hwemasipiringi matatu? Kukurumidza kunokonzerwa negiravhiti g = 10 ms -2.
Zvinozivikanwa:
Chitubu chisingachinji k1 = k2 = k3 = 300 Nm-1
Kukurumidza kunokonzerwa negiravhiti (g) = 10 ms -2
Huremu hwechinhu (m) = 2 kg
Kurema kwechinhu (w) = mg = (2)(10) = 20 Newtons
Zvinodiwa: Kuchinja kwehurefu hwematsime matatu (Δx)
Solution:
Sarudza iyo yakafanana constant :
Chitubu 1 (k 1 ) nechitubu 2 (k 2 ) zvakabatana zvakafanana. Chimiro chakafanana:
k 12 = k 1 + k 2 = 300 + 300 = 600 N/m
Chitubu 3 (k 3 ) nechitubu 12 (k 12 ) zvakabatana zvakatevedzana. Chimiro chakafanana:
1/k = 1/k 3 + 1/k 12 = 1/300 + 1/600 = 2/600 + 1/600 = 3/600
k = 600/3 = 200 N/m
Sarudza shanduko muhurefu hwematsime matatu:
Δx = w / k = 20/200 = 2/20 = 1/10 = 0.1 m
3. Zvitubu zvitatu zvakabatana zvakatevedzana uye zvakafanana, sezvakaratidzwa mumufananidzo uri pazasi. Kana chitubu chisingachinji k = 50 Nm -1 uye huremu hwemagiramu mazana mana zvakabatanidzwa pamucheto wechitubu. Chii chinonzi shanduko pakureba kwezvitubu zvitatu?
Zvinozivikanwa:
Chitubu chinogara kwenguva refu 1 (k)1) = k = 50 Nm-1
Chitubu chinogara kwenguva refu 2 (k 2 ) = k = 50 Nm -1
Chitubu chinogara kwenguva refu 3 (k 3 ) = 2k = 2 (50 Nm -1 ) = 100 Nm -1
Huremu hwechinhu (m) = 400 magiramu = 0.4 kg
Kukurumidza kunokonzerwa negiravhiti (g) = 10 m/s 2
Kurema kwechinhu (w) = mg = (0.4)(10) = 4 Newtons
Zvinodiwa: Kuchinja kwehurefu (Δx)
Solution:
Sarudza iyo yakafanana constant :
Chitubu 1 (k 1 ) nechitubu 2 (k 2 ) zvakabatana zvakafanana. Chimiro chakafanana:
k 12 = k 1 + k 2 = 50 + 50 = 100 N/m
Chitubu 3 (k 3 ) nechitubu 12 (k 12 ) zvakabatana zvakatevedzana. Chimiro chakafanana:
1/k = 1/k 3 + 1/k 12 = 1/100 + 1/100 = 2/100
k = 100/2 = 50 N/m
Sarudza shanduko muhurefu hwematsime matatu:
Δx = w / k = 4 / 50 = = 0.08 m = 8 cm
- Kusanganisa masprings muzvikamu zvinotevedzana kunokanganisa sei chigarire chemuchirimo chose?
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- Simba rinogona kuchengetwa mumasipiringi akatevedzana rinoenzaniswa sei neriri mumasipiringi akatevedzana nesimba rakafanana rinoshandiswa?
- Pindura: Masipiringi ari muzvikamu zvinotevedzana anochengetedza simba rakawanda kupfuura masipiringi ari pamwe chete nekushandiswa kwakafanana nekuti anowedzerwa zvakanyanya kana kumanikidzwa.
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