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  • The force of attraction between two-unit point masses separated by a unit distance is called (a) gravitational potential (b) acceleration due to gravity (c) gravitational field (d) universal gravitational constant

The force of attraction between two unit point masses separated by a unit distance is called

(a) gravitational potential

 (b) acceleration due to gravity

(c) gravitational field

(d) universal gravitational constant

Answers (1)

D

Sol.

By universal law of gravitation if two particles of mass m1 and m2 are kept at separation, then the gravitational force between them will be given as:

F= \frac{Gm_{1}m_{2}}{r^{2}}

Here, G is the universal gravitational constant.

If both masses have unit values and their separation is also unit, then the magnitude of force will be equal to universal gravitational constant G.

F= \frac{Gm_{1}m_{2}}{r^{2}}\\ if,\;m_{1}=1;m_{2}=1;r=1;\\ F=G

Hence, the correct answer to this question is option D.

 

 

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infoexpert24

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