Advertisements
Advertisements
प्रश्न
Write an expression for the force due to gravity on a body of mass m and explain the meaning of symbols used in it.
Advertisements
उत्तर
The force due to gravity on a body of mass m kept on the surface of Earth (mass=M and radius=R) is equal to the force of attraction between the Earth and that body.
`"F" = "GMm"/"R"^2`
APPEARS IN
संबंधित प्रश्न
The separation between two masses is reduced to half. How is the magnitude of gravitational force between them affected?
Why does a glass vessel break when it falls on a hard floor, but it does not break when it falls on a carpet?
How is the gravitational force between two masses affected if the separation between them is doubled?
Define gravitational constant G.
A body falls from the top of a building and reaches the ground 2.5 s later. How high is the building? (Take g = 9.8 m s-2)
Explain the following:
Why does a boatman push the bank backward with a long bamboo pole, on launching his boat in the water?
Write the SI unit of momentum.
Why is a tree shaken to get its fruit down?
What are the SI units of constant of gravitation?
Name and state the action and reaction in the following case:
Pushing a wall.
