Isisindo kanye nesisindo - izinkinga nezixazululo

Izinkinga ezixazululiwe emithethweni kaNewton yokunyakaza - Isisindo, kanye nesisindo

1. Isisindo sesisindo esingu-1 kg ebusweni boMhlaba singu… g = 9.8 m/s ²

Kwaziwa:

Isisindo (m) = 1 kg

Ukusheshisa okubangelwa amandla adonsela phansi ebusweni boMhlaba (g) = 9.8 m/s ²

Okufunwayo: isisindo (w)

Isixazululo:

w = mg

m = isisindo (Iyunithi ye-SI yesisindo yi-kilogram, kg)

g = ukusheshisa ngenxa yamandla adonsela phansi (Iyunithi ye-SI ka-g ingu-m/s ² )

w = isisindo (Iyunithi ye-SI ka-w ingu-kg m/s ² noma i-Newton)

Isisindo:

w = (1 kg)(9.8 m/s ² ) = 9.8 kg m/s ² = 9.8 amaNewton

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2.

(a) Dweba amandla adonsela phansi (isisindo) asebenza entweni lapho into ihlezi etafuleni, njengoba kuboniswe esithombeni (a).

(b) Dweba amandla adonsela phansi (isisindo) kanye nezingxenye zawo ezisebenza entweni eshelela phansi endizeni ethambekele , njengoba kuboniswe esithombeni (b)

Isixazululo

Indlela isisindo esiqondiswa ngayo ibheke phansi enkabeni yoMhlaba.

w _x = ingxenye evundlile yesisindo kanye w _y = ingxenye eqondile yesisindo

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3. Isisindo sebhokisi singu-1 kg kanti ukusheshisa ngenxa yamandla adonsela phansi kungu-9.8 m/s ^2. Thola (a) isisindo (b) ingxenye evundlile kanye nengxenye eqondile yesisindo.

Isixazululo

Isisindo: w = mg = (1 kg)(9.8 m/s ² ) = 9.8 kg m/s ² = 9.8 amaNewton

Ingxenye evundlile yesisindo:

w _x = w sin 30 ^o = (9,8 N)(0,5) = 4.9 AmaNewton

Ingxenye eqondile yesisindo:

w _y = w cos 30 ^o = (9.8 N)(0.5√3) = 4.9√3 AmaNewton

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1. Isisindo kanye nesisindo
2. amandla ajwayelekile
3. Umthetho wesibili wokunyakaza kukaNewton
4. Amandla okungqubuzana
5. Ukunyakaza endaweni evundlile ngaphandle kwamandla okungqubuzana
6. Ukunyakaza kwemizimba emibili ngokusheshisa okufanayo endaweni evundlile eqinile ngamandla okungqubuzana
7. Ukunyakaza endizeni ethambekele ngaphandle kwamandla okungqubuzana
8. Ukunyakaza endizeni ethambekele emangelengele ngamandla okungqubuzana
9. Ukunyakaza e-lifti
10. Ukunyakaza kwemizimba kuxhunywe ngezintambo nama-pulleys
11. Imizimba emibili enesilinganiso esifanayo sokusheshisa
12. Ukuzungeza ijika eliyisicaba - amandla okunyakaza okujikelezayo
13. Ukuzungeza ijika eligobile - amandla okunyakaza okujikelezayo
14. Ukunyakaza okufanayo kumbuthano ovundlile
15. Amandla aphakathi ahambisanayo ajikelezayo