The centers of a 7.0 kg lead ball and a 50 g lead ball are separated...
The centers of a 7.0 kg lead ball and a 50 g lead ball are separated by 12cm. What is the ratio of this gravitational force to the weight of the 50 g ball?
Homework Answers
Calculate the gravitational force = G*m1*m2/r^2
F = 6.67*(10^-11)*7*0.05/(0.12*0.12)
= 1.62*(10^-9) N
Calculate weight, W = 0.05 *9.81
ratio of gravitational force to weight.
= (1.62*(10^-9))/ 0.05*9.8
= 3.306 *10^-9 answer.
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