The weight of a body varies from place to place. - TRUE
An object when thrown upwards, reaches a certain height and then falls downwards due to weight. - True
the stone moves in a circular path with a certain speed and changes .............. at every point. - direction
This force that cause circular motion of object is called....... - centripetal force
A straight line that meets the circle at one and only one point is called a to the circle. - tangent
Tangent of any circle at any point is always perpendicular to the radius. - True
The motion of the moon around the earth is due to the centripetal force. - both
For a given force, acceleration is .......... proportional to the mass of an object - inversely
When a apple is falling from tree. Identify the correct statement. - Both Earth as well as apple exerting force on each other.
Kepler’s laws states that orbit of a planet is an ellipse with the Sun at one of the foci of orbit. - True
The value of G is ........ - 6.673 × 10^–11 N m^2 kg^–2
What happens in velocity of object under free fall ? - Increases
The value of G is...... - remains constant at all places.
The unit of g is the same as that of acceleration. - True
The value of "g" acceleration due to gravity - varies places to place.
According to second law of motion that force is the product of mass and.................. - acceleration
there is acceleration involved in falling objects due to the gravitational force and is denoted by ..... - g
The value of g becomes lessar at the poles than at the equator. - False
The air offers resistance due to friction to the motion of the falling objects. - true
Mass of object at earth and moon remains same? - True
Two objects of different masses falling freely near the surface of the moon would - have same velocities at any instant
The value of acceleration due to gravity - is least on equator
The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become - F/4
A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone - will move along a straight line tangential to the circular path
In the relation F = GM mld², the quantity G - is universal constant of nature
Law of gravitation gives the gravitational force between - any two bodies having some mass
The value of quantity G in the law of gravitation - is independent of mass and radius of the Earth
The atmosphere is held to the Earth by - gravity
The force of attraction between two unit point masses separated by a unit distance is called - universal gravitational constant
Earth attracts every object with a certain force and this force depends on the mass (m) of the object and the acceleration due to the gravity (g). - True
Weight of an object is the force with which it is attracted towards the earth. - True
The mass of an objectis not same everywhere, that is, on the earth and on any planet. - False
Weight depends on its location. - True
SI unit of pressure as N/m2 or N m–2. - True
The weight of an object at the center of the Earth of radius R is - zero
The weight of a body varies from place to place. - TRUE
An object when thrown upwards, reaches a certain height and then falls downwards due to weight. - True
the stone moves in a circular path with a certain speed and changes .............. at every point. - direction
This force that cause circular motion of object is called....... - centripetal force
A straight line that meets the circle at one and only one point is called a to the circle. - tangent
Tangent of any circle at any point is always perpendicular to the radius. - True
The motion of the moon around the earth is due to the centripetal force. - both
For a given force, acceleration is .......... proportional to the mass of an object - inversely
When a apple is falling from tree. Identify the correct statement. - Both Earth as well as apple exerting force on each other.
Kepler’s laws states that orbit of a planet is an ellipse with the Sun at one of the foci of orbit. - True
The value of G is ........ - 6.673 × 10^–11 N m^2 kg^–2
What happens in velocity of object under free fall ? - Increases
The value of G is...... - remains constant at all places.
The unit of g is the same as that of acceleration. - True
The value of "g" acceleration due to gravity - varies places to place.
According to second law of motion that force is the product of mass and.................. - acceleration
there is acceleration involved in falling objects due to the gravitational force and is denoted by ..... - g
The value of g becomes lessar at the poles than at the equator. - False
The air offers resistance due to friction to the motion of the falling objects. - true
Mass of object at earth and moon remains same? - True
