Advertisements
Advertisements
Question
In the relation F = `"G M" "m"//"d"^2`, the quantity G
Options
depends on the value of g at the place of observation
is used only when the earth is one of the two masses
is greatest at the surface of the earth
is the universal constant of nature
Advertisements
Solution
is the universal constant of nature
Explanation:
In the relation F = `"G" "Mm"/"d"^2` the quantity G is the universal constant of nature.
APPEARS IN
RELATED QUESTIONS
Fill in the following blank with suitable word :
The value of g on the earth is about………………. of that on the moon.
______ is used to change the speed of the car.
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.
A wire AB is carrying steady current 'I1' and is kept on the table. Another wire CD carrying current 'I2' is held parallel and directly above AB at a distance 'r'. When wire CD is left free and it remains suspended at its position, its mass per unit length is (g =acceleration due to gravity) ____________.
The radius of the orbit of a geostationary satellite is (mean radius of the earth R, angular velocity about an axis in ω and acceleration due to gravity on earth's surface is (g) ______.
A central particle M is surrounded by a square array of other particles, separated by either distanced or distance d/2 along the perimeter o the square. The magnitude of the gravitational force on the central particle due to the other particles is ______.

The acceleration due to gravity on the earth of radius Re is ge, and that on moon of radius Rm, is gm. The ratio of the masses of the earth and moon is given by ______.
A uniform ring of mass M and radius r is placed directly above a uniform sphere of mass 8M and of same radius R. The centre of the ring is at a distance of d = `sqrt3`R from the centre of the sphere. The gravitational attraction between the sphere and the ring is ______.
The mass of a spaceship is 1000 kg. It is to be launched from the earth's surface out into free space. The value of g and R are 10 m/s2 and 6400 km, respectively. The required energy for this work will be ______.
When equating the gravitational force with Newton's Second Law force to derive g, which term cancels out?
