Isayensi

Izibonelo Eziyi-9 Zemibuzo Yendiza Ethambekele

Funda izinto eziphathelene nemithetho kaNewton , amandla avamile kanye namandla okungqubuzana ukuze uqonde kangcono ingxoxo yalo mbuzo.

1. Ibhulokhi elingu-5 kg ​​likhishwa endaweni ebushelelezi njengoba kuboniswe esithombeni! (g = 10 ms ⁻² kanye ne-tg 37 ^o = 3/4). Ukusheshisa kwebhulokhi...

A. 4,5 ms^-2

B. 6,0 ms ⁻²

C. 7,5 ms ⁻²

D. 8,0 ms ⁻²

E. 10,0 ms ⁻²

Ingxoxo

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Izibonelo eziyi-14 zemibuzo ye-Particle Dynamics

1. Ibhulokhi A enesisindo esingu-5 kg ​​ibekwa endaweni ebushelelezi eyisicaba, ibhulokhi B enesisindo esingu-3 kg ilenga ngentambo futhi ixhunywe kubhulokhi A nge-pulley, uma u-g = 10 m/s ² unquma ukusheshisa kwebhulokhi!

A. 3,50 m/s²

B. 3,75 m/s ²

C. 4,00 m/s ²

D. 5,00 m/s ²

E. 5,25 m/s ²

Ingxoxo

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Izibonelo ezingu-20 zemithetho kaNewton

Umthetho Wokuqala KaNewton

1. Uma amandla aphumelayo asebenza entweni elingana no-zero, khona-ke...

(1) into ngeke isheshise

(2) izinto zihlala ziphumule

(3) ushintsho kwijubane lento luyi-zero

(4) akunakwenzeka ukuthi into ihambe ngendlela eqondile ngesivinini esingaguquki

Iqiniso lithi…

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Izibonelo ezi-4 zemibuzo ye-Centripetal Force

1. Into enesisindo esingamagremu angu-200 iboshelwa entanjeni elula bese ijikeleziswa ngokuvundlile ngejubane elingaguquki elingu-5 rad s ^–1 , njengoba kuboniswe esithombeni esilandelayo. Uma ubude bentambo bungu-l = 60 cm, khona-ke ubukhulu bamandla aphakathi nendawo asebenza entweni bungu…

A. 0,3 N

B. 0,6 N

C. 3 N

D. 6 N

E. 30 N

Ingxoxo

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Izibonelo ezi-7 zemibuzo yokunyakaza kwe-parabolic

1. Inhlamvu idutshulwa ngesivinini esingu-20 ms ^–1 . Uma i-engeli yokuphakama ingu-60 ^o kanye nokusheshisa ngenxa yamandla adonsela phansi = 10 ms ^–2 , khona-ke inhlamvu ifinyelela iphuzu layo eliphakeme kakhulu ngemva…

A. umzuzwana owodwa

B. imizuzwana emi-2

C. √ imizuzwana emi-3

D. 2√3 imizuzwana

E. 3√2 imizuzwana

Ingxoxo

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Izibonelo eziyi-11 zemibuzo yokunyakaza okujikelezayo

1. Into enesisindo esingu-10 kgukunyakaza okujikelezayo okufanayo ngesivinini esingu-4 ms^-1Uma irediyasi yendilinga ingamamitha angu-0,5, khona-ke:
(1) Imvamisa yokujikeleza ingu-4/π Hz
(2) Ukusheshisa kwe-Centripetalingu-32 ms^-2
(3) Amandla aphakathi nendawo angama-320 N
(4) Isikhathi singu-4π s.
Isitatimende esinembile sithi…
1. (1), (2), (3), kanye (4)
2. (1), (2), kanye (3)
3. (1), kanye (3) kuphela
4. (2), kanye (4) kuphela
5. (3), kanye (4) kuphela
Ingxoxo

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Izibonelo ezi-4 zemibuzo yokuxhumana kwesondo nesondo

1. Amasondo amabili u-A no-B axhunywe ngeribhoni (bheka isithombe). Uma irediyasi ka-A iphindwe kabili kunerediyasi ka-B, khona-ke okwenzekayo...
A. vA = 2 vB
B. vA = 1/2 vB
C. vA = vB
D. ωA = ωB
E. ωA = 2 ωB
Ingxoxo

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Izibonelo eziyi-13 zemibuzo yegrafu yokunyakaza okuqondile

1. Kusukela kugrafu engenhla, okubonisa into ephumule...
A. (1)
B. (2)
C. (3)
D. (4)
E. (5)
Ingxoxo
Into ephumulile iboniswa umugqa ovundlile oqonde ngqo ku-axis (s) yebanga. Lo mugqa oqondile ubonisa ukuthi ibanga lihlala lingaguquguquki njengoba isikhathi sanda.
Impendulo efanele ngu-C.

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Izibonelo ezi-3 zemibuzo yesivinini esimaphakathi

1. Njalo ekuseni, uHadi uhlala egijima ezungeza insimu enobukhulu obuyi-100 m x 400 m izikhathi eziyi-12 ngehora eli-1. Isivinini esimaphakathi futhi isivinini esimaphakathi sokunyakaza kukaHadi...
A. 0 km/h kanye ne-12 km/h
B. 0 km/h kanye no-6 km/h
C. 6 km/ihora kanye ne-12 km/ihora
D. 6 km/h kanye no-6 km/h
E. 12 km/h kanye ne-12 km/h
Ingxoxo

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Izibonelo eziyi-12 zemibuzo ye-Displacement Vector

1. UFitria wenza uhambo lokulandela izinyathelo zakhe eqala endaweni A kuya endaweni B: 600 m enyakatho; eya endaweni C 400 m entshonalanga; eya endaweni D 200 m eningizimu; wabe esephela endaweni E 700 m empumalanga. Ubukhulu bokufuduka okubonwe yiFitria bungu….
A. 100 m
B. 300 m
C. 500 m
D. 1500 m
E. 1900 m
Ingxoxo

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