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Popular Questions
- Distance between the centers of two stars is 10a. The masses
- A point mass m is placed inside a spherical shell of radius R and mass M.
- Directions: the following question contains statement
- Two identical solid copper sphere of radius R are placed in contact with each other. the gravitational attraction between them is ..
- If the distance between the earth and the sun were half its
- Two identical spheres of radius R made of the same material are kept at a distance d apart.
- A body is projected with a velocity of 2 × 11.2 km/s from the surface of earth. The velocity of the body when it escapes the g..
- Distance between the centers of two stars is 10a. The masses
- Three particles each of mass m are situated at the vertices
- If g e , g h and g d be the accelerations due to gravity at earth\s surface, a height h and at depth d respectively. Then,
- The weight of a body on surface of the earth is 12.6 N. When it is raised to a height half the radius of earth, its weight will be
- Correct form of gravitational law is
- If g is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of an object of mass m rai..
- A body weights 500 N on the surface of the earth. How much would it weigh half-way below the surface of the earth?
- If the radius of the earth were to shrink by one percent, its mass remaining the same, the acceleration due to gravity on the eart..
- A simple pendulum is oscillating without damping.
- It is possible to put an artificial satellite into orbit
- The gravitational force Fg between two objects does not depend on
- Three equal masses of 1 kg each are placed at the vertices of an equilateral triangle PQR and a mass of 2kg is placed at the centr..
- A body is projected vertically upwards from the botton of a crater
- Which of the following statements about the gravitational constant is true
- Two particles of equal mass m go around a circle of radius R under the action of their mutual gravitational attraction. The speed ..
- The force of gravitation is
- Reason of weightlessness in a satellite is
- Two spherical bodies of mass M and 5 M and radii R and 2 R, respectively are released in free space with initial separation betwee..
- Which force in nature exits every where
- four particles, each of the mass. m and equidistant from each other
- Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration..
- One can easily "weight the earth" by calculating the mass of earth using formula (in usual notation)
- A large spherical mass M is fixed at one position and two
- If g is the acceleration due to gravity on the surface of earth, its value at a height equal to double the radius of earth is
- Two astronauts are floating in gravitational free space after having lost
- If the distance between twl masses is doubled, the gravitational attraction between them
- Imagine a light planet revolving around a very massive star
- The atmosphere is held to the earth by
- The centripetal force acting on a satellite orbiting round the earth
- A satellite is moving with a constant speed
- A spherically symmetric gravitational system of particles
- The mass of a spaceship is 1000 kg. It is
- if g is the acceleration due to gravity on the earths surface, the gain
