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On halved the distance between two masses, the gravitational force between them will be:

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Important Questions on Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.

EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
The ratio of gravitational acceleration on the surface of Earth and Moon is
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
The value of acceleration due to gravity is:
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
The weight of the wooden block is W. The apparent weight of the body on floating water is
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
Two metal pieces when immersed in liquid experience equal upthrust on them, then :
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
The weight of an object on a planet is 0.25 times of its weight on earth. A pendulum clock that ticks once every second on earth is taken to the planet. In that planet the clock would tick once in every. 
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
The mass of a person on earth surface is 60 kg then his mass on moon will be
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
The weight of a body is 9.8 N, when g=9.8 m s-2 the mass of the body is
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.

Value of G on surface of earth is 6. 673 × 10-11 N m2/kg2, then value of G on surface of Jupiter will be

EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
A block floats with its fraction ηE inside water when immersed in a beaker containing water and kept on the earth. The beaker along with the block is shifted to the surface of the moon. If ηM is the fraction of the block now immersed in water, which of the following relations is correct? 
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
The value of acceleration due to gravity g on the Earth will be maximum at :
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
A simple pendulum has a time period T1 when on the earth's surface and T2 when taken to a height R above earth's surface, where R is the radius of the earth.
The value of ratio T2T1 will be :
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.

The astronomical object closest to us is

EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.

The force between a hollow sphere of mass M and a point mass ‘m’at P inside it (Shown in figure): (PC=X, Radius =r) 

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EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
A metal sphere is dipped in water. If at 0 °C & 4 °C  the buoyancies in water are β1 and β2 respectively, then :
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
Unit of universal gravitational constant is
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
If the distance between two masses is doubled then the gravitational force between them will be
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.

The unit of mass among the following is

EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
If distance between Earth and Moon is increased by six times, then force of gravitation between both:
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.
What is the mass of 6 kg object on the moon?
EASY
Physical Sciences>Motion and Stability: Forces and Interactions>Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.>Types of Interactions - Gravitational forces are always attractive. There is a gravitational force between any two masses, but itis very small except when one or both of the objects have large mass—e.g., Earth and the sun.

Which one of the following statements is INCORRECT ?