Dynamics

Acceleration for satellite smaller than acceleration for Moon

Both accelerations independent of their distances from Earth

Acceleration for satellite equal acceleration for Moon

Acceleration for satellite greater than that for Moon

102 kg

9800 kg

20.4 kg

51 kg

10N

100N

1000N

1N

An object moving plainly

An object at rest

An object with no mass

An object in free fall

They create a new mass that is equal to the sum of their individual masses at the point midway between them.

They attract each other with a force directly proportional to the product of their masses.

They repel each other with a force inversely proportional to the square of the distance between them.

They have no effect on each other unless they collide physically.

$F_n = 0$

$F_n = mg$

$F_n < mg$

$F_n > mg$

Gravity does not act on objects in space which is why astronauts have no weight there.

Astronauts train intensely to resist gravity’s pull which enables them to float freely in spacecraft orbits around Earth.

The centrifugal force due to rotation cancels out gravity and makes astronauts weightless.

Astronauts are in free fall around Earth, creating apparent weightlessness despite gravity pulling on them continuously.

both

weight

mass

neither

Deep in space far away from any stars or planets within a galaxy.

Directly between Earth and Moon where their forces cancel out.

Nowhere, as gravitational force is always present but can be negligible at great distances from massive bodies or in free-fall orbits where it appears "weightless."

At a stable orbit around Earth where centrifugal force balances gravity.

The gravitational force would become half as strong due to increased separation.

There would be no change in the gravitational forces between them.

The gravitational force would be one-fourth as strong.

The gravitational force would be twice as strong since they are further apart.