# Question #22749

##### 1 Answer

Oct 14, 2017

F =

#### Explanation:

Be careful with (a) formatting in your calculation (use of brackets recommended) and (b) the negative sign at the start - that just shows that though we measure r increasing *away* from the first mass, the force is directed *towards* the mass. Clearly, because of equal and opposite forces (Newton's third law) they both feel the same force.

I get 1.334 x