Akselerasi amarga gravitasi - masalah lan solusi

1. Apa sing diarani percepatan amarga gravitasi at the Moon’s surface? Moon’s massa = 7.35 x 10²² kg, the radius of the Moon is 1.7 x 10⁶ m, universal constant is 6.67 x 10^-11 N m² /kg²

solusi

Formula saka Hukum gerak Newton sing kapindho :

Formula saka Hukum gravitasi universal Newton :

G = universal constant, M = Earth’s mass, m = object’s mass, r = the distance between Earth’s center and object. If the object is at Earth’s surface, r = Earth’s radius

Substitute F in equation 1 with F in equation 2 :

What is the acceleration due to gravity at the Moon’s surface?

2. Acceleration due to gravity at Earth’s surface is g. At R (R is Earth’s surface), the acceleration due to gravity is…

solusi

R = Earth’s radius. At R above Earth’s surface = at 2R above Earth’s center.

At R above Earth’s surface, the acceleration due to gravity = ¼ g. If g = 9.8 m/s², ing R above Earth’s surface, acceleration due to gravity = 2.45 m/s².

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