Question

A sphere of 40kg is attracted by another sphere of 15 kg with a force of 0.1 mg wt. Find the value of the universal constant of gravitation if the centre of sphere are 20cm apart.
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Answer 1

Answer:

It is said that a sphere of mass 40 kg is attracted by a second sphere of mass 15kg, when their centers are 20cm apart, with a force of 0.1 milligram weight. ... ⇒G=F(r)2m1m2=98×10−8×0.2×0.240×15=6.53×10−11 . Therefore the value of gravitational constant G here is 6.53×10−11Nm2kg−2.

Explanation:

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