Advertisements
Advertisements
प्रश्न
The force of attraction between two unit point masses separated by a unit distance is called
विकल्प
gravitational potential
acceleration due to gravity
gravitational field
universal gravitational constant
Advertisements
उत्तर
universal gravitational constant
Explanation:
F = `"G"("m"_1"m"_2)/"d"^2`
F = G, i.e., the force of attraction between two unit point masses separated by a unit distance is a universal gravitational constant.
APPEARS IN
संबंधित प्रश्न
What is the value of gravitational constant G (i) on the earth, and (ii) on the moon ?
Fill in the following blank with suitable word :
The value of g on the earth is about………………. of that on the moon.
Right or wrong sentence:
As we go above the earth's surface, value of g increases.
The acceleration due to gravity on moon is `(1/6)^"th"` times the acceleration due to gravity on earth. If the ratio of the density of earth 'ρe' to the density of moon 'ρm' is `5/3`, then the radius of moon 'Rm' in terms of the radius of earth 'Re' is ______.
The radius of the earth is. 6400 km and that of mars is 3200 km. The mass of the earth is about 10 times the mass of mars. Weight of the object on the earth is 200 N. What will be its weight on the mars?
In the relation F = `"G M" "m"//"d"^2`, the quantity G
How does the force of attraction between the two bodies depend upon their masses and the distance between them? A student thought that two bricks tied together would fall faster than a single one under the action of gravity. Do you agree with his hypothesis or not? Comment.
Write if the following statement is correct or wrong.
The value of g is the same everywhere on the surface of the earth.
When equating the gravitational force with Newton's Second Law force to derive g, which term cancels out?
The value of acceleration due to gravity at Earth’s surface is 9.8 ms−2. The altitude above its surface at which the acceleration due to gravity decreases to 4.9 ms−2, is close to ______.
(Radius of earth = 6.4 × 106 m)
