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प्रश्न
All objects in the universe attract each other along the line joining their________.
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उत्तर
All objects in the universe attract each other along the line joining their CENTRES.
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संबंधित प्रश्न
Answer the following:
An astronaut inside a small space ship orbiting around the earth cannot detect gravity. If the space station orbiting around the earth has a large size, can he hope to detect gravity?
State two applications of universal law of gravitation.
State the universal law of gravitation. Name the scientist who gave this law.
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.
A ball is thrown vertically upwards. It goes to a height 20 m and then returns to the ground. Taking acceleration due to gravity g to be 10 ms-2, find: the initial velocity of the ball.
How will the force of gravitation between two objects change if the distance between them is:
Almost zero
The value of universal gravitational constant (G) in the SI unit is ______.
State Newton’s universal law of gravitation. Express it with the mathematical form of force of gravitation?
Give the applications of universal law gravitation.
Molecules in air in the atmosphere are attracted by gravitational force of the earth. Explain why all of them do not fall into the earth just like an apple falling from a tree.
