Physics, HELP!!! what will happen to Fg if the distance between the two objects will be?

a. twice as the original if it is R

Fg = G mm/R

b. half the original if it is R/

please help me do the Algebra, this is sooo confusing. I’d appreciate it, THANKS A MILLION!!!!!

? Favorite Answer

Fg ……G mm /(R)²

—– = ———————

Fg ….G mm /(R)²

Fg ……G mm …….(R)²

—– = —————- X —————

Fg …….(R)²………….Gmm

Fg ……..(R)²

—– = ————-

Fg …….(R)².

Fg ……..R²

—– = ————-

Fg …….R².

Fg ……..

—– = ——— <== cross multiply

Fg …….

Fg = Fg

Fg = ¼ Fg <=== Fg becomes smaller

===================

Fg = Gmm / (½R)²

Fg ……G mm /(R)²

—– = ———————

Fg ….G mm /(½R)²

Fg ……G mm …….(½R)²

—– = —————- X ————

Fg…….(R)²………….Gmm

Fg ………¼R²

—– = ————

Fg …….R²

Fg ………¼

—– = ————

Fg …….

¼ Fg = Fg

Fg = Fg <=== Fg becomes greater

ugh!!!!!!!!! i don’t wanna go to school tomorrow!!!!!!!!! because of all those sh*** we heard!!!!!!!