Advertisements
Advertisements
प्रश्न
Choose the correct alternative:
Acceleration due to gravity increases/decreases with increasing depth. (assume the earth to be a sphere of uniform density).
Advertisements
उत्तर
Decreases
Acceleration due to gravity at depth d is given by the relation:
`g_d = (1-d/R_e)g`
It is clear from the given relation that acceleration due to gravity decreases with an increase in depth.
संबंधित प्रश्न
Write the answer of the question with reference to laws of gravitation.
State the universal law of gravitation.
Write the formula to find the magnitude of the gravitational force between the earth and an object on the surface of the earth.
What happens to the force between two objects, if the distance between the objects is doubled and tripled?
What happens to the force between two objects, if the masses of both objects are doubled?
Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?
The acceleration produced by a force in an object is directly proportional to the applied _________ And inversely proportional to the _________ Of the object.
All objects in the universe attract each other along the line joining their________.
Is the law of gravitation applicable in case of the sun and the moon?
What is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.
What does a force do in the following case?
You apply brakes to a running car.
You can change the direction in which an object is moving by___________.
Does the force of the earth's gravitation affect the motion of the moon? Explain your answer with reasons.
State Newton's universal law of gravitation. Express it with the mathematical form of force of gravitation?
For the weight of body of mass 5 kg to be zero on equator of the earth, angular velocity of the earth must be (The radius of earth = 6400 km, acceleration due to gravity = 10 m/s2).
Answer the following questions in reference to the figure below:
- Which relation is shown in the figure?
- What will happen if the mass of one of the objects is doubled?
Four identical particles of equal masses 1 kg made to move along the circumference of a circle of radius 1 m under the action of their own mutual gravitational attraction. The speed of each particle will be ______.
Newton formulated the Universal Law of Gravitation by combining the ideas of which two scientists with his own Laws of Motion?
The gravitational force between two objects acts in which direction?
