lesson 4

Mitsyyyy_cutie · 60問 · 1年前

通報

問題一覧

Who discovered all objects at each other with the first of gravitational?

Newton

Gravity is the attractive pull between two objective that have mass

Newton's law of universal gravity

Every particle of the matter in the universe is universal.

Newton's law of universal gravity

____ is directly proportional to the product of the mass of the particles and inversely proportional to the square of the distance between them.

force

Force is directly proportional to the product of the mass of the particles and inversely proportional to the square of the distance between them.

Gravity : Newton's Law of Universal Gravity

Fg = G m1 m2 / r²

Gravity : Newton's Law of Universal Gravity

Fg = G m1 m2 / r², Fg stands for and what is the unit?

force (N)

Fg = G m1 m2 / r², G stands for and what is the value?

Universal Gravitational Constant 6.67 × 10^ -11 N • m²/kg²

Fg (1 on 2 ) = Fg(2 on 1)

gravitational forces are equal

Acceleration gained by an object due to gravitational force.

acceleration due to gravity

Gravity at the surface (earth) , unit?

What is the SI units of the gravity at the surface?

m/s²

9.80665 m/s²

standard value of gravity at the surface.

g = GM / d²

acceleration due to gravity (formula)

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