What is the gravitational attraction between mass a (200kg) and mass b (500kg)? 12m distance between the two masses.

Fg = 4.63×10^-8 N

Explanation:

The gravitational attraction between two masses m1 and m2 is given by:

Fg = G×m1×m2/(r^2) , where m1 = 200kg ,m2 = 500kg,G is gravitational                                                                                         constant  

then:

Fg = [(6.67408×10-11)(200)(500)] /(12^2)        

    = 4.63×10-8 N  

therefore, the gravitational attraction between the mass is 4.63×10-8 N.                                                                                                                                                                                                

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