Welcome to your Gravitational - 5
1.
If gravitational constant G were doubled, gravitational force would
2.
At centre of Earth, acceleration due to gravity is
3.
Why Cavendish experiment is difficult
4.
Value of g at poles compared to equator is
5.
Cavendish experiment helped prove
6.
If radius of Earth decreases keeping mass constant, g
7.
If Earth’s mass doubles, g becomes
8.
Purpose of torsion wire in Cavendish experiment
9.
At centre of Earth, gravitational potential is
10.
Force exerted by Earth on Sun is
11.
Gravitational force is weakest among fundamental forces because
12.
If distance between masses is doubled in Cavendish experiment, force becomes
13.
Net gravitational force at centroid of equilateral triangle with equal masses
14.
Outside Earth, g varies with distance as
15.
SI unit of gravitational field intensity is
16.
At what height above Earth does g become half?
17.
Variation of g with depth is linear because
18.
If Earth shrinks keeping mass same, g at surface
19.
Gravitational field at the centre of Earth is
20.
Newton’s law of gravitation is exactly applicable for
21.
Value of G is same on
22.
Direction of gravitational force on Earth due to Sun is
23.
Gravitational potential at infinite distance is taken as
24.
Gravitational force inside a solid sphere at r = 0 is
25.
In Cavendish experiment, deflection angle θ increases if
26.
Gravitational force between two equal masses m at distance r is
27.
Mass of Earth is assumed concentrated at centre when calculating g for
28.
Unit of gravitational constant G is
29.
Gravitational force inside hollow Earth is
30.
Superposition principle may fail in
31.
Acceleration due to gravity at depth d inside Earth is
32.
In Cavendish experiment, restoring torque is proportional to
33.
Acceleration due to gravity on Earth’s surface is
34.
If distance between two masses is halved, force becomes
35.
At what depth inside Earth is g half its surface value?
36.
In Cavendish experiment, gravitational force is measured using
37.
If Earth rotates faster, g at equator
38.
Value of g inside Earth varies with
39.
Orbital speed of a satellite decreases when
40.
Acceleration due to gravity at height h (h
41.
Acceleration due to gravity at height h above Earth (h ≪ R) is
42.
Force acting on a satellite in circular orbit is
43.
Gravitational field lines are
45.
Gravitational constant G is determined by measuring
