Advertisements
Advertisements
Question
What is the value of gravitational constant G (i) on the earth, and (ii) on the moon ?
Advertisements
Solution
i. Value of gravitational constant on the earth is 6.67×10−11 m3 kg−1 s−2
ii. Value of gravitational constant on the Moon is 6.67×10−11 m3 kg−1 s−2
APPEARS IN
RELATED QUESTIONS
Explain why the value of g is zero at the centre of the earth.
An object takes 5 s to reach the ground from a height of 5 m on a planet. What is the value of g on the planet?
Right or wrong sentence:
The value of g is highest at the equator.
Write scientific reasons.
The value of gravitational acceleration (g) decreases as we go above the Earth’s surface.
The mass of the moon is `1/81` of the mass of the earth. Its diameter is `1/3.7` of that of the earth. If acceleration due to gravity on the surface of the earth is 9.8 m/s2, then the acceleration due to gravity on the surface of the moon.
The mass of a body on the surface of the earth is 10 kg. The mass of the same body on the surface on the moon is `"g"_"m" = 1/6 "g"_"e"`, where gm, ge acceleration due to gravity on the surface of the moon and the earth respectively.
At a height R above the earth's surface, the gravitational acceleration is ______.
(R = radius of earth, g = acceleration due to gravity on earth's surface.)
In the relation F = `"G M" "m"//"d"^2`, the quantity G
The moon has a mass of 1/81 that of the earth and a radius of 1/4 that of the earth. The escape speed from the surface of the earth is 11.2 km/s. The escape speed from the surface of the moon is ______.
If the surface is smooth, the acceleration of the block m2 will be ______.
