Matambudziko Akagadziriswa muFizikisi Yekutanga

Kuenzanisa kwegiravhiti

Mibvunzo mitatu pamusoro peGravity equation

1. Zvidimbu zvitatu chimwe nechimwe chine huremu hwe1 kg zviri pamucheto wetriangle yakaenzana ine mativi akareba mita imwe. Simba regiravhiti rinowanikwa nechikamu chimwe nechimwe (muG) rakakura sei?

mhinduro Equation yegiravhiti 1

Hukuru hwesimba rinokwevera pasi rinoonekwa nechimwe chezvikamu.

F₁₂ = G (m₁)(m)₂) / r²= G (1)(1) / 1²= G/1 = G

F₁₃ = G (m₁)(m)₃) / r²= G (1)(1) / 1²= G/1 = G

Simba rinokwevera pasi rinobuda pachikamu chekutanga:

Equation yemunda wemagetsi

Mibvunzo mitatu pamusoro peElectric field equations

1. Bhora rinofambisa bhora rine radius ye10 cm rine chaji yemagetsi ye500 μC. Mapoinzi A, B, naC ari pamutsara nepakati pebhora ari chinhambwe che12 cm, 10 cm uye 8 cm zvichiteerana kubva pakati pebhora. Verenga simba remagetsi papoinzi A, B, naC!

Inozivikanwa: Equation yemunda wemagetsi 1

Radiyo yebhora rinofambisa (R) = 10 cm = 0.1 m

Chaja yemagetsi (q) = 500 μC = 500 x 10^-6 C

r_A = 12 masendimita = 0,12 m

r_B = 10 masendimita = 0,1 m

r_C = 8 masendimita = 0,08 m

Chikamu cheCoulomb (k) = 9 x 10⁹

Kuda: Simba remagetsi panzvimbo A (E)_A), panzvimbo B (E_B) uye padanho C (E_C)

Solution:

Equation yenguva dzose yechirimo

Mibvunzo mitatu nezve equation yenguva dzose yechirimo

1. Chitubu chiri mu free suspension chine urefu hwe 10 cm. Pamucheto wakasununguka, huremu hwe 200 gram hunosungirirwa kuitira kuti hurefu hwe spring huve 11 cm. Kana g = 10 m/s², chii chinonzi simba rechitubu risingaperi?

Anozivikanwa:

Kureba kwekutanga kwechitubu (y₁) = 10 cm = 0.10 m

Kureba kwekupedzisira kwechitubu (y₂) = 11 cm = 0.11 m

Kuchinja kwehurefu hwechitubu (Δy) = 0.11 – 0.10 = 0.01 mamita

Huremu hwemutoro (m) = 200 magiramu = 0.2 kg

Kurema kwemutoro (w) = mg = (0,2)(10) = 2 Newtons

Kuda: Chimiro chenguva dzose chechirimo (k)

Solution:

Musiyano unogona kuitika

Mibvunzo mitatu nezve Potential difference equation

1. Chaja yemagetsi inofambiswa mumunda wemagetsi wakafanana une simba re2√3 N chinhambwe che20 cm. Kana divi resimba riri pakona ye30^o Kuchinja kwechaja yemagetsi, musiyano uripi pakati pesimba remagetsi panzvimbo yekutanga neyokupedzisira yechaja yemagetsi.

Anozivikanwa:

Simba (F) = 2√3 N

Nhambwe (s) = 20 cm = 0.2 m

Angle (θ) = 30^o

Kuda: Musiyano wemagetsi

Solution:

Equation yekumhanya kwekona

Mibvunzo mitatu nezve Angular velocity equation

1. Chinhu chinofamba munzira yakatenderera chine dhayamita ye 0.5 m. Chidimbu ichi chinokwanisa kufukidza kona ye 60π rad mumasekonzi gumi nemashanu. Sarudza kumhanya kwekona kwechinhu chacho.

Anozivikanwa:

Nharaunda (r) = 0.5 mamita

Angle (θ) = 60π rad

Nguva yepakati (t) = masekondi gumi nemashanu

Kuda: Kumhanya kwekona (ω)

Solution:

Equation yesimba inoguma

Mibvunzo mitatu pamusoro peEquation yesimba rinobuda

1. Mota ine huremu hwematani mashanu inomira kubva panzvimbo yayo mumasekondi makumi mashanu, ichisvika kumhanya kwemakiromita makumi manomwe nemaviri paawa. Simba riri pamota iri…

Anozivikanwa:

Huremu (m) = matani mashanu = 5000 kg

Kumhanya kwekutanga (vo) = 0

Kumhanya kwekupedzisira (vt) = 72 km/h = 20 m/s

Nguva yepakati (t) = masekondi gumi nemashanu

Kuda: Simba (F)

Solution:

Equation yepfungwa

Mibvunzo mitatu nezve equation yeImpulse

1. Mota ine huremu hwe250 kg iri kufamba nekumhanya kwe72 km/awa, yobva yakurumidziswa nesimba risingaperi zvekuti mumasekonzi mashanu kumhanya kwayo kunosvika 80 km/awa. Sarudza kuti chii chinoikonzera kwemasekondi mashanu.

Anozivikanwa:

Huremu hwemota (m) = 250 kg

Kumhanya kwekutanga (v)_o) = 72 km/awa = 20 m/s

Kumhanya kwekupedzisira (v)_t) = 80 km/awa = 22 m/s

Nguva yepakati (t) = masekondi gumi nemashanu

Kuda: Sarudza kurudziro (I)

Solution:

Equation yesimba rekukweshana

Mibvunzo mitatu pamusoro peFriction force equation

1. Bhokisi A 3 kg inoiswa patafura yobva yasungirirwa patambo yakabatana nedombo B = 2 kg kuburikidza nepulley sezvakaratidzwa. Huremu nekukweshana kwemapulley zvinoregeredzwa. Kukurumidza kunokonzerwa negiravhiti g = 10 m/s²Sarudza kukurumidza kwehurongwa uye kusimba kwetambo kana:

a) tafura yakatsetseka Equation yesimba rekukweshana 1

b) tafura isina kurongeka ine chiyero chekukweshana kwekinetic che 0.4

Anozivikanwa:

Huremu hwebhuroko A (m)_A) = 3 kg

Huremu hwedombo B (m)_B) = 2 kg

Kukurumidza kunokonzerwa negiravhiti (g) = 10 m/s²

Kurema kwebhuroko A (w)_A) = mg = (3)(10) = 30 Newton

Kurema kwedombo B (w)_B) = mg = (2)(10) = 20 Newton

Kuda: Kukurumidza kwehurongwa (a) uye kushushikana kwetambo (T)

Solution:

Equation yesimba rakajairika

Mibvunzo mitatu pamusoro peNormal force equation

1. Bhokisi rine huremu hwe5 kg. Kana g = 10 m/s², sarudza:

a) huremu hwebhokisi

b) simba rakajairika kana bhokisi rakaiswa padenga rakati sandara

c) simba rakajairika kana bhokisi rakagara padenderedzwa rakanamira rinoumba kona ye30^o kusvika pakadzikama

Anozivikanwa:

Huremu hwebhuroko (m) = 5 kg

Kukurumidza kunokonzerwa negiravhiti (g) = 10 m/s²

Kuda: w, N mundege uye N mugomo

Solution:

Equation yekukakavadzana kwetambo

Mibvunzo mitatu nezve equation yekumanikidzwa kwetambo

1. Mufananidzo uri pazasi unoratidza mabhuroko matatu, anoti A, B naC ari panzvimbo yakatsetseka yakatwasuka. Kana huremu A = 1 kg, huremu B = 2 kg uye huremu C = 2 kg uye F = 10 N, saka sarudza chiyero chekumanikidzwa mutambo pakati paA naB nekumanikidzwa mutambo pakati paB naC.

Anozivikanwa: Equation yekumanikidzwa kwetambo 1

Huremu hweA (m)_A) = 1 kg

Huremu B (m)_B) = 2 kg

Huremu hweC (m_C) = 2 kg

Simba rekudhonza (F) = 10 N

Kuda: T_AB :T_BC

Solution: