If acceleration due to gravity on the earth is g, which formula gives the acceleration due to gravity on loput?

Verified Answer :

I don't know Ioput, but :

gravity is:
\(F_g = \frac{mMG}{ R^{2} }\)

simplified to near surface force:
\(F_g = mg\)

so :
\(g = \frac{MG}{ R^{2} }\)

M mass of planet
R radius of planet
G gravitational constant

The acceleration due to gravity on the surface of the planet Loput is \(\boxed{1.93g}\) .


Further Explanation:


Given:


The mass of the Earth is \({M_e}\) .

The radius of the Earth is \({R_e}\) .

The acceleration due to gravity on Earth is \(g\) .

The mass of the planet Loput is \(5.6{M_e}\) .

The radius of the planet Loput is \(1.7{R_e}\) .


Concept:


In the given question, it is considered that Loput is a planet that has the mass and radius more than that of the Earth.


The value of acceleration due to gravity on the surface of any planet is expressed as:

\(\boxed{{g_p}=\frac{{G{M_p}}}{{R_p^2}}}\)

Here, \({g_p}\)  is the acceleration due to gravity on the planet, \(G\)  is the gravitational constant, \({M_p}\)  is the mass of the planet and \({R_p}\)  is the radius of the planet.


The value of acceleration due to gravity on the surface of the Earth is:

\(g=\frac{{G{M_e}}}{{R_e^2}}\)

Now for the planet Loput, the value of acceleration due to gravity can be determined as:

\(\begin{aligned}{g_L}&=\frac{{G\times\left({5.6{M_e}}\right)}}{{{{\left({1.7{R_e}}\right)}^2}}}\\&=\frac{{5.6}}{{{{\left({1.7}\right)}^2}}}\frac{{G{M_e}}}{{{R_e}}}\\\end{aligned}\)

Substitute \(g\)  for  \(\frac{{G{M_e}}}{{{R_e}}}\) in above expression.

\(\boxed{{g_L}=1.93g}\)

Thus, the acceleration due to gravity on the surface of the planet Loput is \(\boxed{1.93g}\) .


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Answer Details:

Grade: High School

Subject: Physics

Chapter: Gravitation


Keywords:

Acceleration due to gravity, gravity on Loput, mass of planet Loput, 5.6Me, radius of planet Loput, 1.7Re, g=GM/R^2.