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Which of the following represent the Newton's law of universal gravitation correctly?

A

`overset(to)F=(Gm_1m_2)/r^2overset(to)r`

B

`overset(to)F=(Gm_1m_2)/r^3hatr`

C

`overset(to)F=(Gm_1m_2)/r^3overset(to)r`

D

`overset(to)F=(Gm_1m_2)/roverset(to)r`

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-GRAVITATION-EVALUATION TEST
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  11. Suppose universal gravitational constant starts to decrease, then

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