Physics
The gravitational force of attraction between two bodies of masses 60 kg and 40 kg separated by a distance 10 m is : (where G = 6.7 x 10-11 Nm2kg-2 )
- 1.60 x 10-9 N
- 2.8 x 10-11 N
- 1.0 x 10-11 N
- 1.6 x 10-11 N
Related Questions
The value of gravitational constant G changes with the change in :
- height
- place
- distance
- it remains unchanged
The gravitational force between two masses is :
- directly proportional to the product of the masses
- inversely proportional to the square of the separation between them
- significant between heavenly bodies, but is insignificant between atomic bodies.
- all of the above
The value of g on a planet depends on :
- the mass of the planet
- the radius of the planet
- both (a) and (b)
- composition of the planet
A body is projected vertically upward with an initial velocity u. If acceleration due to gravity is g, the time for which it remains in air, is —
- u/g
- ug
- 2u/g
- u/2g