Welcome to your Gravitational - 5
1.
At centre of Earth, gravitational potential is
2.
Orbital speed of a satellite decreases when
4.
At what height above Earth does g become half?
5.
Value of g at poles compared to equator is
6.
In Cavendish experiment, gravitational force is measured using
7.
Gravitational force inside a solid sphere at r = 0 is
8.
Gravitational force between two equal masses m at distance r is
9.
Direction of gravitational force on Earth due to Sun is
10.
Net gravitational force at centroid of equilateral triangle with equal masses
11.
If radius of Earth decreases keeping mass constant, g
12.
Force exerted by Earth on Sun is
13.
Purpose of torsion wire in Cavendish experiment
14.
Acceleration due to gravity at depth d inside Earth is
15.
In Cavendish experiment, deflection angle θ increases if
16.
SI unit of gravitational field intensity is
17.
Outside Earth, g varies with distance as
18.
Gravitational field at the centre of Earth is
19.
At what depth inside Earth is g half its surface value?
21.
Newton’s law of gravitation is exactly applicable for
22.
Value of g inside Earth varies with
23.
If gravitational constant G were doubled, gravitational force would
24.
Acceleration due to gravity at height h (h
25.
If Earth rotates faster, g at equator
26.
Gravitational force inside hollow Earth is
27.
Superposition principle may fail in
28.
Gravitational constant G is determined by measuring
29.
Acceleration due to gravity on Earth’s surface is
30.
Mass of Earth is assumed concentrated at centre when calculating g for
31.
Force acting on a satellite in circular orbit is
32.
Gravitational field lines are
33.
Unit of gravitational constant G is
34.
If Earth’s mass doubles, g becomes
35.
Acceleration due to gravity at height h above Earth (h ≪ R) is
36.
Gravitational force is weakest among fundamental forces because
37.
If distance between masses is doubled in Cavendish experiment, force becomes
38.
At centre of Earth, acceleration due to gravity is
39.
If Earth shrinks keeping mass same, g at surface
40.
Variation of g with depth is linear because
41.
Why Cavendish experiment is difficult
42.
Cavendish experiment helped prove
43.
Gravitational potential at infinite distance is taken as
44.
In Cavendish experiment, restoring torque is proportional to
45.
If distance between two masses is halved, force becomes
