Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro

Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro

1. Maveki matatu sezvakaratidzwa mumufananidzo uri pazasi.

V1 = 30Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 1

V2 = 30

V3 = 40

Chii chinobuda? vector.

Zvinozivikanwa:

V1 = 30, kona iri pakati paV1 uye x axis = 30o

V2 = 30, kona iri pakati paV2 uye x axis = 30o

V3 = 40, kona iri pakati paV3 uye x axis = 0o

Zvaidiwa: Mavectors anokonzerwa

Solution:

Zvikamu zvemavector :

V1x = (V1)(cos 30o) = (30)(0.5√3) = 15√3. Yakanaka nekuti chikamu ichi chevector chinonongedza padivi pe x positive axis (kurudyi).

V1y = (V1(chivi 30)o) = (30)(0.5) = 15. Yakanaka nekuti chikamu ichi chevector chinonongedzera padivi pe positive y axis (kumusoro).

V2x = (V2)(cos 30o) = (30)(0.5√3) = -15√3. Negative nekuti chikamu ichi chevector chinonongedza padivi pe x axis ine negative (kuruboshwe).

V2y = (V2(chivi 30)o) = (30)(0.5) = 15. Yakanaka nekuti chikamu ichi chevector chinonongedzera padivi pe positive y axis (kumusoro).

V3x = (V3)(cos 0o) = (40)(1) = 40. Yakanaka nekuti chikamu ichi chevector chinonongedza padivi pe x positive axis (kurudyi).

V3y = (V3(chivi 0)o) = (40)(0) = 0

Zvikamu zvemavector anobuda:

Vx =V1x - V2x +V3x = 15√3 – 15√3 + 40 = 40

Vy =V1y +V2y +V3y = 15 + 15 = 30

Vector inoguma :

Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 2

2. Masimba maviri akatarisana, F1 = 12 N uye F2 = 5 N. Chii chinoguma nemasimba ese ari maviri?

onawo  Kumanikidzwa kwezvinhu zvakasimba - matambudziko nemhinduro

Zvinozivikanwa:

simba 1 (F)1) = 12 Newton

simba 2 (F)2) = 5 Newton

Zvaidiwa: Mavectors anokonzerwa (ΣF)

Solution:

ΣF2 =F12 +F22 = 122 + 52 = 144 + 25 = 169

ΣF = 169 = 13 Newton

3. Maveji matatu,

V1 = 30Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 3

V2 = 30

V3 = 40

Sarudza mavector anouya.

Zvinozivikanwa:

v1 = 30, kunoita 30o nezve negative x axis

v2 = 30, kunoita 30o nezve positive x axis

v3 = 40, kunoita 0o nezve positive x axis

Zvaidiwa: Mavectors anokonzerwa

Solution:

Zvikamu zvemavector:

v1x =v1 kusvika 30o = (30)(0.53) = -153 (Negative nekuti chikamu ichi chevector chinonongedza padivi pe negative x axis (kuruboshwe))

v1y =v1 pasina 30o = (30)(0.5) = 15 (Zvakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive y axis (kumusoro))

v2x =v2 kusvika 30o = (30)(0.53) = 153 (Zvakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive x axis (kurudyi)))

v2y =v2 pasina 30o = (30)(0.5) = 15 (Yakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive y axis (kumusoro).)

v3x =v3 kusvika 0o = (40)(1) = 40 (Yakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive x axis (kurudyi).)

v3y =v3 pasina 0o = (40)(0) = 0

Zvikamu zvemavector anobuda:

vx = – v1x + v2x + v3x = -153 + 153 + 40 = 40

vy =v1y + v2y + v3y = 15 + 15 = 30

onawo  Mutemo waHooke - matambudziko nemhinduro

Vekitori inoguma:

Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 4

4. Chii chinokonzerwa nemavector matatu sezvakaratidzwa mumufananidzo uri pazasi:

Zvinozivikanwa:

F1 = 3 maNewton, kunoita 60o nezve positive x axisKuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 5

F2 = 3 maNewton, kunoita 0o nezve negative x axis

F3 = 6 Newtonsn, inoita 60o nezve negative y axis

Zvaidiwa: Vector inoguma

Solution:

Zvikamu zvemavector:

F1x =F1 kusvika 60o = (3)(0.5) = 1.5 N (Zvakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive x axis (kurudyi)))

F1y =F1 pasina 60o = (3)(0.5√3) = 1.5√3 N (Zvakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive y axis (kumusoro))

F2x =F2 kusvika 0o = (3)(1) = -3 N (Negative nekuti chikamu ichi chevector chinonongedza padivi pe negative x axis (kuruboshwe))

F2y =F2 pasina 0o = (3)(0) = 0

F3x =F3 kusvika 60o = (6)(0.5) = 3 N (Zvakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive x axis (kurudyi)))

F3y =F3 pasina 60o = (6)(0.5√3) = -3√3 N (Negative nekuti chikamu ichi chevector chinonongedzera kune negative y akisi (pasiwadhi))

Zvikamu zvemavector anobuda:

ΣFx =F1x - F2x +F3x = 1.5 N – 3 N + 3 N = 1.5 N

ΣFy =F1y +F2y - F3y = 1.5√3 N + 0 N – 3√3 N = -1.5√3 N

Vekitori inoguma:

Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 6

5. Masimba maviri, F1 = 15 N uye F2 = 9 N. Kona iri pakati pemavector ese ari maviri i60°. Chii chinobuda mumavectors?

Zvaidiwa:

Simba 1 (F1) = 15 Newton

onawo  Simba remagetsi pa kondakita yebhora - matambudziko nemhinduro

simba 2 (F)2) = 9 Newton

Angle (θ) = 60o

Kuda: Vector inoguma

Solution:

Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 7

6. Chii chinokonzerwa nemavector matatu sezvakaratidzwa mumufananidzo uri pazasi?

Zvinozivikanwa:

F1 = 20 Newton, kona iri pakati peF1 uye x axis = 0Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 8

F2 = 20 Newton, kona iri pakati peF2 uye x axis = 60

F3 = 24 Newton, kona iri pakati peF3 uye x axis = 60

Zvaidiwa: Vector inoguma

Solution:

Zvikamu zvemavector:

F1x = (F)1)(cos 0) = (20)(1) = 20. Zvakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive x axis (kurudyi))

F1y = (F)1)(chivi 0) = (20)(0) = 0

F2x = (F)2)(cos 60) = (20)(0.5) = -10. Negative nekuti chikamu ichi chevector chinonongedza padivi pe negative x axis (kuruboshwe)

F2y = (F)2)(chivi 60) = (20)(0.5√3) = 10√3. Zvakanaka nekuti chikamu ichi chevector chinonongedza padivi pe positive y axis (kumusoro)

F3x = (F)3)(cos 60) = (24)(0.5) = -12. Negative nekuti chikamu ichi chevector chinonongedza padivi pe negative x axis (kuruboshwe)

F3y = (F)3)(chivi 60) = (24)(0.5√3) = -12√3. Nnegative nekuti chikamu ichi chevector chinonongedzera kune negative y akisi (pasiwadhi)

Zvikamu zvemavector anobuda:

Fx =F1x - F2x - F3x = 20 – 10 – 12 = -2

Fy =F1y +F2y - F3y = 0 + 10√3 – 12√3 = -2√3

Vekitori inoguma:

Kuwedzera mavector uchishandisa zvikamu - matambudziko nemhinduro 9