Answer to Question #110451 in Physics for elalaine

Question

compute for the force of gravity between two 0.7kg masses whos centers are 15 centimeters apart.

Answer 1

$$F=G\frac{m^2}{r^2}$$

$$F=6.67\cdot10^{-11}\frac{0.7^2}{0.15^2}=1.45\cdot10^{-9}N$$