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प्रश्न
What is the importance of law of gravitation ?
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उत्तर
The gravitational force of attraction is significant to explain the motion of heavenly bodies, e.g. motion of planets around the Sun, motion of the Moon around the Earth etc.
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संबंधित प्रश्न
A body of mass 500 g, initially at rest, is acted upon by a force which causes it to move a distance of 4 m in 2 s, Calculate the force applied.
How does the gravitational force of attraction between two masses depend on the distance between them?
Define gravitational constant G.
The value of G is :
The force of attraction between two bodies at certain separation is 10 N. What will be the force of attraction between them if the separation is reduced to half?
Explain the following:
Why does a boatman push the bank backward with a long bamboo pole, on launching his boat in the water?
Why do the dust particles come out of a hanging carpet when it is beaten with a stick?
What are the SI units of constant of gravitation?
What is the relation between Newton and dyne?
Define one newton. What is the ratio of SI to CGS units of force?
