The two bodies having masses 10kg and 15 kg are 1m apart find force between them
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Given;
- m1 = 10kg
- m2 = 15kg
- r = 1m
Therefore gravitational force acting between them ( F ) ;
- F = G × ( m1m2/r² )
- F = 6.67 × 10^-11 ( 15×10/1² )
- F = 6.67 × 10^-11 ( 150 )
- F = 1000.5 × 10^-11
- F = 10005 × 10^-12 Newton or 10005 × 10^-12 N
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Solution:
m1=100kg
m2=1000kg
r=1m
Let x be the distance of point P from 100kg where the resultant gravitational Intensity is zero.
Gravitational Intensity at P due to body of mass 100kg is equal and opposite to that of object of mass 10,000kg
Gx100/x²=Gx10000/(1-x)²
(1-x)²=100x²
10x =1-x
11x=1
x=1/11m
Therefore at this point gravitational field intensity will be zero.
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