Lamulo la Newton la mphamvu yokoka padziko lonse lapansi - mavuto ndi mayankho

1. Mtunda pakati pa munthu wolemera makilogalamu 40 ndi munthu wolemera makilogalamu 30 ndi mamita 2. Kodi mphamvu yokoka yomwe aliyense amagwiritsa ntchito ndi yotani pa mnzake? Universal constant = 6.67 x 10 ^-11 N m ² / kg ²

Zodziwika:

m ₁ = 40 kg, m ₂ = 30 kg, r = 2 m, G = 6.67 x 10 ^-11 N m ² / kg ²

Kufunidwa: kukula kwa mphamvu yokoka (F)?

Yankho:

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2. Mtunda pakati pa Dziko Lapansi ndi Mwezi (r) ndi 3.84 x 10 ⁸ m. Kodi mphamvu yokoka yomwe iliyonse imagwiritsa ntchito pa inzake ndi yotani?

Zodziwika:

Kulemera kwa dziko lapansi (m _E ) = 5.97 x 10 ²⁴ kg

Kulemera kwa Mwezi (m _M ) = 7.35 x 10 ²² kg

Mtunda pakati pa pakati pa Dziko Lapansi ndi pakati pa Mwezi (r) = 3.84 x 10 ⁸ m

Chosasintha cha Universal (G) = 6.67 x 10 ^-11 N m ² / kg ²

Kufunidwa: Kukula kwa mphamvu yokoka (F)

Yankho:

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3. Kodi mtunda uli bwanji kuchokera ku Dziko Lapansi, kukula kwa mphamvu yokoka ya dziko lapansi ndi mwezi ndi zero?

Zodziwika:

Kulemera kwa dziko lapansi = 5.97 x 10 ²⁴ kg

Kulemera kwa Mwezi = 7.35 x ¹⁰²² kg

Mtunda pakati pa pakati pa Dziko Lapansi ndi pakati pa Mwezi (r) = 3.84 x 10 ⁸ m.

Chosasintha cha Universal ( G) = 6.67 x 10 ^-11 N m ² / kg ²

Akufuna: mtunda kuchokera ku Dziko Lapansi

Yankho:

Mphamvu yokoka ya Net ndi zero.

Gwiritsani ntchito njira ya quadratic:

A = – 6.35

B = – 7.68 x 10 ⁸

C = 87.76 x 10 ^-14

 

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