Advertisements
Advertisements
प्रश्न
Choose the correct alternative:
Acceleration due to gravity is independent of mass of the earth/mass of the body.
Advertisements
उत्तर
Mass of the body
Acceleration due to gravity of body of mass m is given by the relation:
g = `"GM"/R^2`
Where,
G = Universal gravitational constant
M = Mass of the Earth
R = Radius of the Earth
Hence, it can be inferred that acceleration due to gravity is independent of the mass of the body.
APPEARS IN
संबंधित प्रश्न
What happens to the force between two objects, if the distance between the objects is doubled and tripled?
Calculate the force of gravitation between the earth and the Sun, given that the mass of the earth = 6 × 1024 kg and of the Sun = 2 × 1030 kg. The average distance between the two is 1.5 × 1011 m.
State and explain Kepler's laws of planetary motion. Draw diagrams to illustrate these laws.
At noon, the sun and the earth pull the objects on the earth's surface in opposite directions. At midnight, the sun and the earth pull these objects in same direction. Is the weight of an object, as measured by a spring balance on the earth's surface, more at midnight as compared to its weight at noon?
Inside a uniform spherical shell
(a) the gravitational potential is zero
(b) the gravitational field is zero
(c) the gravitational potential is same everywhere
(d) the gravitational field is same everywhere
Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?
A solid sphere of mass m and radius r is placed inside a hollow thin spherical shell of mass M and radius R as shown in the following figure . A particle of mass m' is placed on the line joining the two centres at a distance x from the point of contact of the sphere and the shell. Find the magnitude of the resultant gravitational force on this particle due to the sphere and the shell if (a) r < x < 2r, (b) 2r < x < 2R and (c) x > 2R.
The mass of moon is about 0.012 times that of earth and its diameter is about 0.25 times that of earth. The value of G on the moon will be:
Write an expression for the gravitational force of attraction between two bodies of masses m1 and m2 separated by a distance r.
How will the force of gravitation between two objects change if the distance between them is:
Doubled
What is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.
Name and state the action and reaction in the following case:
A person walking on the ground.
Why does a ball moving on a table top eventually stops?
Two equal and opposite forces acting at the same point on a stationary body. Will the body move? Give reason to explain your answer.
State Newton's law of gravitation. What is the difference between:
Gravity and gravitation
The distance-time values for an object moving along straight line are given below:
| Time (s) | Distance (m) |
| 0 | 0 |
| 1 | 1 |
| 2 | 8 |
| 3 | 27 |
Six point masses of mass m each are at the vertices of a regular hexagon of side l. Calculate the force on any of the masses.
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's universal law of gravitation applies to ______.
Who measured the value of the Universal Gravitational Constant G using the Cavendish balance?
