Asked by KANIKAKHARBANDA | 3rd Jan, 2010, 01:09: PM
Gravitation Field Intensity = Fgr/m
Let the point be at a distance x from 100 kg where we put the test mass m kg.
The net gravitational forces acting on it must be zero.
Gravitational Force on test mass due to 100 kg = Gravitational force on test mass due to 1000 kg
100Gm/x2 = 1000Gm/(1-x)2
1 - 2x + x2 = 10x2
9x2 + 2x - 1 = 0
x = 0.24 m
Hence, at 24 cm from 100 kg mass the gravitational field intensity will be zero.
Answered by | 3rd Jan, 2010, 02:11: PM
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