Question 11
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

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Solution

(d) universal gravitational constant

According to Universal law of gravitation, $F = \frac{G m_{1} m_{2}}{r^{2}}$
Where, $m_{1}$ and $m_{2}$ are the masses of the objects, $r$ is the seperation distance between them, $F$ is the gravitational force between the objects and $G$ is the universal gravitational constant.
Given, $m_{1} = m_{2} = 1 u n i t$ and $r = 1 u n i t$
$∴ F = \frac{G \times 1 \times 1}{1^{2}}$
$\Rightarrow F = G$

Therefore, the force of attraction between two unit point masses separated by a unit distance is called universal gravitational constant.

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Question 11 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

Question 11
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