Question

Calculate the gravitational force of attraction between a woman weighing 50kg and her child of 12kg separated by a distance of 2m.Please help.

Answer 1

Ans=woman's weight =50kg

Childs weight =12kg

distance between them =2m

gravitional force =Gm1m2/r square

=(6.674 x 10^-11 x 50 x 12 )by (2)^2

= 6.674 x 10^-10 x 15

=100 x 10^-10

=10^-8

therefor the gravitational force is 10^-8

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