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 strength
(d) universal gravitational constant

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Solution

(d) universal gravitational constant

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Q. 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

The gravitational force of attraction between two bodies of masses $40 k g$ and $80 k g$ separated by a distance of $15 m$ is:
(Take Gravitational constant, $G = 6.673 \times 10^{- 11} N m^{2} k g^{- 2}$ )

Q. What is the dimensional formula of universal gravitational 'G'? The gravitational force of attraction between two objects of masses

m_{1} a n d m_{2}

seperated by a distance d is given by

F = \frac{G m_{1} m_{2}}{d_{2}}

. Where 'G' is the universal gravitational constant.

Q. Assertion :The universal gravitational constant is the same as acceleration due to gravity Reason: Gravitational constant and acceleration due to gravity have the same units

Q. Two particles of masses

m

and

4 m

are separated by a distance

r

. At a point on the line joining them the gravitational field is zero. The gravitational potential at that point is (

G =

Universal constant of gravitation)

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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 strength (d) universal gravitational constant

(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 strength
(d) universal gravitational constant