The escape speed from the surface of earth is v_e. The escape speed from the surface of a planet whose mass and radius are 3 times those of the earth will be:

If two satellites of different masses are revolving in the same orbit, they have same

A wire is stretched to double its length. The strain is

The property of a body by virtue of which it tends to regain its original size and shape of a body when applied force is removed, is known as

What is the value of acceleration caused by force of gravity on a stone placed on ground?

Law of areas is valid only when gravitational force is

The velocity of the planet when it is closest to sun is

Young's modulus of a wire depends on

Which of the following is not a unit of Young's modulus?

Young's modulus of a material has the same unit as

Dimensional formula of stress is same as that of

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 raised from the earth's surface to a height equal to the radius R of the earth,is

With the increase in temperature, the Young's  modulus of a material 

If both the length and radius of the wire are doubled. how does the rnodulus of elasticity change? 

The value of Bulk modulus for a perfectly right body is

The energy stored in a stained wire is given by

Brittle substanceare those in which there is 

Ductile substances are those in which

The reciprocal of Bulk modulus (1/K) is called

Law of conservation Of angular momentum Will  give from 

The gravitational attraction between the two bodies increases when their masses are 

The unit of G/g is :

The force of gravitation between two bodies of mass 1kg each separated by a distance of 1m in vacuum is:

The gravitational force between two bodies is:

If the force of gravity disappears suddenly then: