Question
The gravitational force of attraction between two bodies of masses 40 kg and 80 kg separated by a distance of 15 m is:
(Take Gravitational constant, G=6.673×10−11Nm2kg−2)
Answer: Option A
:
A
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:
A
Given:
mass of first body m1=40 kg
mass of second body m2=80 kg
distance between two bodies, R=15 m
G=6.673×10−11Nm2kg−2
Acc. to Newton's law of gravitation, Gravitational force, F=Gm1m2R2
So, F=6.673×10−11×40×80152
On solving, we get F=9.49×10−10 N
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