Question Text
Question 1 :
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
Question 2 :
A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone
Question 5 :
The weight of an object at the centre of the Earth of radius R is
Question 6 :
The acceleration due to gravity on the Earth depends upon the
Question 11 :
The acceleration due to gravity of moon is …………… of that of the Earth
Question 12 :
The force acting on an object perpendicular to the surface is called......
Question 14 :
What is the value of the acceleration due to gravity on the surface of the Earth?
Question 16 :
The distance between two bodies becomes 6 times more than the usual distance. The the F becomes
Question 17 :
The earth and the moon are attracted to each other by gravitational force. The earth attracts the moon with a force that is:
Question 18 :
Choose the correct unit for the relative density among the following:
Question 19 :
The school bags are generally provided with the broad strips because:
Question 20 :
Two objects of different masses falling freely near the surface of moon would: