Question

Why does the Earth have more gravitation pull than the moon?

Answer 1

As accurately described by Einstein's theory of relativity, gravity is not necessarily a force, but a consequence of the curvature of space time that is caused by the uneven distribution of mass. But this could be understood more easily through Newton's Law of Universal Motion. The equation is shown below:

F = G(m₁m₂/d²), where

F is the gravitational force

G is called Newton's universal gravitation constant equal to 6.673×10⁻¹¹ N m² kg⁻²

m is the mass of the objects 1

d is the distance between the objects

 

Basing on the equation, the gravitational force depends on the mass the distance between the objects. So, when you compare the gravitational pull between Earth and moon. you do not need to include the effect of distance because, together. they have the same amount of d. So, it mainly depends on the masses. Since F is directly proportional to m, the greater the mass, the greater is the pull.

So, the answer is: The Earth has more mass than the moon. 

Answer 2

The Earth have more gravitation pull than the moon because the mass of the earth has 81.386 times than the mass of moon

Further explanation

Gravity is a force that arises because of the attraction between objects and mass.

The magnitude of this attraction is proportional to the mass of the object.

The greater the mass of the object, the greater the gravitational force

Relationships can be both stated in

Newton's Gravity Law:

$\large{\boxed{\bold{F\:=\:G\frac{m1.m2}{r^2} }}}$

with F = gravitational force,

G = 6.67 × 10⁻¹¹, gravitational constant,

m = mass of object,

r = distance between two objects.

If we look at the moon mass data of 7.3477.10²² kg, it has 0.0123 times the mass of the earth has at 5.98.10²⁴ and the moon's gravitational acceleration is 1,622 m / s², smaller than the earth at 9.88 m / s², so shows Earth's gravity is greater than the moon

Although the moon's gravity also affects the tide and low tide on earth, but still the gravitational force from the earth to the moon makes the moon attracted to the earth by following its orbit and becoming a satellite of the earth

From the answer choices:

A, C and D show the effect of the distance between the two objects only affects the gravitational force between the two but does not affect the magnitude of the gravity of each object

So the best answer is B) The Earth has more mass than the moon

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Keywords: gravitational force, Newton's Gravity Law, mass, moon