Gravitational Force - Study Mode
[#91] The mass of a body on the Earth is 100 kg (acceleration due to gravity, g e = 10 m/s 2 ). If acceleration due to gravity on the Moon is (g e = 10 6 m/s 2 ), then the mass of the body on the Moon is
Correct Answer
(C) 100 kg
[#92] A ball is dropped from the top of a high building with a constant acceleration of 9.8 m/s 2 . What will be its velocity after 3 s?
Correct Answer
(C) 29.4 m/s
[#93] Approximate escape velocity on the surface of the Earth.
Correct Answer
(B) 11.2 km/s
[#94] An object was thrown upwards at a speed of 14m/s and find 10m height. Calculate the time taken by the object to reach the highest point.
Correct Answer
(D) 1.43 s
[#95] Why does a stone thrown towards the sky return to the earth?
Correct Answer
(D) There is a gravitational force which pulls it towards the ground