Chapter 12 – Gravitation
Acceleration due to gravity on the moon is 1/6th of the acceleration due to gravity on the earth. If the ratio of densities of the earth (pe) and the moon (pm) is (pe/pm) = 5/3, then radius on the moon Rm in terms of Re radius of earth will be
14
Sep
Acceleration due to gravity on the moon is 1/6th of the acceleration due to gravity on the earth. If the ratio of densities of the earth (pe) and the moon (pm) is (pe/pm) = 5/3, then radius on the moon Rm in terms of Re radius of earth will be Acceleration due to gravity on [...]
The density of newly discovered planet is twice that of the earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is R the radius of the planet would be
14
Sep
The density of newly discovered planet is twice that of the earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is R the radius of the planet would be If R is the radius of the [...]
Two planets have the same average density but their radii are R1 and R2. If acceleration due to gravity on these planets be g1 and g2 respectively, then
14
Sep
Two planets have the same average density but their radii are R1 and R2. If acceleration due to gravity on these planets be g1 and g2 respectively, then then Two planets have the same average density but their radii are R1 and R2. If acceleration due to gravity on these planets be g1 and g2 [...]
If the radius of earth were to shrink by one percent, its mass remaining the same, the acceleration due to gravity on the earth’s surface would
14
Sep
If the radius of earth were to shrink by one percent, its mass remaining the same, the acceleration due to gravity on the earth’s surface would If the radius of earth were to shrink by one percent its mass remaining the same the acceleration due to gravity on the earth's surface would September 14, 2020 [...]
If R is the radius of the earth and g the acceleration due to gravity on the earth’s surface, the mean density of the earth is
14
Sep
If R is the radius of the earth and g the acceleration due to gravity on the earth’s surface, the mean density of the earth is If R is the radius of the earth and g the acceleration due to gravity on the earth's surface the mean density of the earth is September 14, 2020 [...]
Two point masses A and B having masses in the ratio 4 : 3 are separated by a distance of 1 m. When another point mass C of mass M is placed in between A and B the forces A and C is (1 / 3rd) of the force between B and C, Then the distance C from A is
14
Sep
Two point masses A and B having masses in the ratio 4 : 3 are separated by a distance of 1 m. When another point mass C of mass M is placed in between A and B the forces A and C is (1 / 3rd) of the force between B and C, Then the [...]
Two particles of equal mass m go around a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is
14
Sep
Two particles of equal mass m go around a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is Two particles of equal mass m go around a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is September [...]
Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be
14
Sep
Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be Water flows through two identical tubes A and B. A volume Vo of water passes [...]