Question

Write an expression for the gravitational force F on the mass m, where G is the gravitational constant. Consider the direction to the right of the sphere to be the positive direction.

Answer 1

Explanation:

The gravitational force between two masses having masses. Let m is the mass of smaller object and M is the mass of larger object. The gravitational force between these two spheres is given by :

$F=G\dfrac{mM}{r^2}$

r is the separation between two spheres

G is universal gravitational constant, $G=6.67\times 10^{-11}\ Nm^2/kg^2$

The value of G remains same always no matter how objects are placed.

Answer 2

The expression for the gravitational force F should be F = GmM/r^2

Also the value of G should be the same.

Expression for gravitational force:

Here we assume following things

m is the mass of smaller object

and M is the mass of larger object.

The gravitational force between these two spheres should be

F = GmM/r^2

here r means the separation

G means the universal gravitational constant.

hence,

The expression for the gravitational force F should be F = GmM/r^2

Also the value of G should be the same.

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