Dziwani zigawo za vekitala

Mavuto othetsedwa mu ma vector - dziwani zigawo za vekitala

1. Mphamvu ya ma Newton 20 imapanga ngodya ya ma Newton 30o ndi x-axis. Pezani zigawo zonse ziwiri za x ndi y za mphamvu.

Kuthetsa mavuto a mavekitala - kudziwa zigawo za mavekitala 1Anakonza

Fx = F cos 30o = (20)(cos 30o) = (20)(0.5√3= = 10√3 Newton

Fy = F tchimo 30o = (20)(chimo 30o) = (20)(0.5) = 10 Newton

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2. F1 = 20 Newtons amapanga ngodya ya 30o ndi mzere wa y ndi F2 = 30 Newtons amapanga ngodya ya 60o ndi mzere wa -x. Pezani zigawo zonse ziwiri za x ndi y za F1 ndi F2.

Kuthetsa mavuto a mavekitala - kudziwa zigawo za mavekitala 2Anakonza

F1x =F1 cos 60o = (20)(cos 60o) = (20)(0.5) = -10 Newtons (negative chifukwa ili ndi njira yofanana ndi -x axis)

F2x =F2 cos 60o = (30)(cos 60o) = (30)(0.5) = -15 Newtons (negative chifukwa ili ndi njira yofanana ndi -x axis)

F1y =F1 tchimo 60o = (20)(chimo 60o) = (20)(0.5√3= = 10√3 Newton (yabwino chifukwa ili ndi mbali yofanana ndi y axis)

F2y =F2 tchimo 60o = (30)(chimo 60o) = (30)(0.5√3) = -15√3 Newton (yoipa chifukwa ili ndi njira yofanana ndi -y axis)

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3. F1 = 2 N, F2 = 4 N, F3 = 6 N. Pezani zigawo zonse ziwiri za x ndi y za F1, F2 ndi F3!

Kuthetsa mavuto a mavekitala - kudziwa zigawo za mavekitala 3Anakonza

F1x =F1 cos 60o = (2)(cos 60o) = (2)(0.5) = 1 Newton (yabwino chifukwa ili ndi mbali yomweyo ndi x axis)

F2x =F2 cos 30o = (4)(cos 30o) = (4)(0.5√3) = -2√3 Newton (yoipa chifukwa ili ndi njira yomweyo ndi mzere wa -x)

F3x =F3 cos 60o = (6)(cos 60o) = (6)(0.5) = 3 Newton (yabwino chifukwa ili ndi mbali yomweyo ndi x axis)

F1y =F1 tchimo 60o = (2)(chimo 60o) = (2)(0.5√3) = √3 Newton (yabwino chifukwa ili ndi mbali yofanana ndi y axis)

F2y =F2 tchimo 30o = (4)(chimo 30o) = (4)(0.5) = 2 Newtons (zabwino chifukwa zili ndi mbali yomweyo ndi y axis)

F3y =F3 tchimo 60o = (6)(chimo 60o) = (6)(0.5√3) = -3√3 Newton (yoipa chifukwa ili ndi njira yomweyo ndi -y axis)

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  1. Dziwani zotsatira za mu vekitala ya mzere
  2. Dziwani zigawo za vekitala
  3. Dziwani zotsatira za ma vector awiri pogwiritsa ntchito chiphunzitso cha Pythagorean
  4. Dziwani zotsatira za ma vector awiri pogwiritsa ntchito equation ya cosines
  5. Dziwani zotsatira za mavekitala awiri pogwiritsa ntchito zigawo za mavekitala

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