Two spherical balls of mass 20
kg each are placed with their centers 10 cm apart. Find the gravitational force of attraction between them. (Ans: 10⁴G)
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From the formula , F=G Mm/R2
G= Gravitational constant=G
M=m= mass of each of the spherical balls=10kg
R=distance between the balls = 10cm = 10/100 m =10-1m
>F= G× 10²/10-² = G × 10²–(²)=G×10⁴
>Gravitational force of attraction between the spherical balls =10⁴G Newtons.
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