# Astronomy question about mutual gravitational force?

if the distance between the center of the moon and the center of the earth were reduced by 4, then the mutaul gravitational force would be _______ the original value

Relevance
• 9 years ago

(I'm assuming you mean, "Reduced by 4 times).... the answer is 16 times.

• Anonymous
9 years ago

16 times stronger than the original force. Here's the math:

F = GMm/r^2 where r + distance from center of earth to center of Moon, which should ALWAYS be capitalized.

F = GMm/(4r)^2

4x4 = 16

16F = GMm/r^2

Didn't you ask the same question 36 to 48 hours ago?

• 4 years ago

Gravity is the attraction of smaller bodies to better bodies. All planets and bodies in our image voltaic gadget have a gravitational stress. shown by utilising the tides, intense whilst moon and sunlight are in line and occasional whilst they're at angles to a minimum of one yet another. This gravitational stress can and does impact the beverages in our physique. How plenty is thoroughly based on your psychological being to compensate. Spaceships are weightless (free of gravity) because of the fact they're "falling to earth in a unfastened fall", for them to stay in area the easily could desire to be flown or stay in a "controlled fall". be conscious the word unfastened falling, gravity unfastened.