Gravitational Force - Study Mode
[#181] If the gravitational force of the Earth suddenly disappears, which are of the following will be the correct consequence?
Correct Answer
(A) The weight of an object will become zero but the mass will remain the same
[#182] Mass of a particular amount of substance 1. is the amount of matter present in it. 2. does not vary from place to place. 3. changes with change in gravitational force. Select the correct answer:
Correct Answer
(B) 1 and 2
[#183] Astronauts in space cannot stand erect. This is because, in space
Correct Answer
(A) There is no gravity
[#184] The mass of a body at the centre of the Earth is
Correct Answer
(B) remains constant
[#185] In respect of the difference of the gravitational force from electric and magnetic forces, which one of the following statements is true?
Correct Answer
(B) Gravitational force is attractive only, whereas the electric and the magnetic forces are attractive as well as repulsive