Question #47a60

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Question #47a60

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Answer 1 · 2015-10-19T14:47:56

Newton's universal law of gravitation describes the gravitational attraction between two things with mass.

Explanation:

Mathematically, you can write it:

$F_{g} = G \frac{m M}{r^{2}}$ $F_g = G {m M}/{r^2}$
and $G = 6.674 \times 10^{- 11} N \cdot {(\frac{m}{k g})}^{2}$ $G = 6.674 times 10^{-11} N · (m/{kg})^2$

Where $G$ $G$ is a constant, $m$ $m$ is the mass of one object, $M$ $M$ is the mass of another object, and $r$ $r$ is the distance between them.

Answer 2 · 2016-04-13T14:23:21

See explanation..

Explanation:

Generally this law relates mass and Gravitation

Its formula is

$F = G \frac{m_{1} m_{2}}{r^{2}}$ $color(brown)(F=G(m_1m_2)/(r^2)$

And,here are the definitions of the variables

$F=Gravitational force between the two objects$ $color(blue)("F=Gravitational force between the two objects"$

$G=Gravitational constant= 6.67 \cdot 10 - 11 N \frac{m^{2}}{k g^{2}}$ $color(blue)("G=Gravitational constant="6.67*10-11Nm^2/(kg^2)$

$m_{1} =Mass of first object$ $color(blue)(m_1"=Mass of first object"$

$m_{2} =Mass of second object$ $color(blue)(m_2"=Mass of second object"$

$r=Distance between the centres of the objects$ $color(blue)("r=Distance between the centres of the objects"$

Note: $N=Newton$ $"N=Newton"$ $(It is an unit for energy)$ $("It is an unit for energy")$

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Question #47a60

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