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प्रश्न
How are g and G realated ?
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उत्तर
Acceleration due to gravity (g) is directly proportional to universal gravitational constant (G).
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संबंधित प्रश्न
Which force is responsible for the moon revolving round the earth ?
What is the force of gravity on a body of mass 150 kg lying on the surface of the earth? (Mass of earth = 6 x 1024 kg; Radius of earth = 6.4 x 106 m; G = 6.7 x 10-11 Nm2/kg2)
A force causes an acceleration of 10 m s-2 in a body of mass 500 g. What acceleration will be caused by the same force in a body of mass 5 kg?
What is the acceleration due to gravity?
Explain why:
Objects fall to the earth.
The free fall of an object is possible only in ______.
Write scientific reasons.
When we drop a feather and a stone at the same time from a height the stone reach the earth faster than a feather.
The mass of planet ‘X’ is four times that of the earth, and its radius is double the radius of the earth. The escape velocity of a body from the earth is 11.2 × 103 m/s. Find the escape velocity of a body from the planet ‘X’.
Distinguish between:
Universal gravitational constant – Gravitational acceleration of earth.
Calculate the escape velocity on the surface of the moon given the mass and radius of the moon to be 7.34 × 1022 kg and 1.74 × 106 m respectively.
(Given: G = 6.67 × 10-11 Nm2/kg2)
