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Gravitation
The value of ‘g’ is inversely proportional to the square of the Earth’s
diameter
radius
weight
area
Author:
rikazzz
Comment
Gravitation
The height of geostationary satellite is about
56,890 km
45,000 km
33,500 km
42,300 km
Author:
rikazzz
Comment
Gravitation
In SI units , the value of gravitational constant(G) is
6.673 & times; 10
-11
8.673 & times; 10
5
6.673 & times; 10
5
4.673 & times; 10
5
Author:
rikazzz
Comment
Everyday Science
The distance of moon from the Earth is
395,000 km
420,000 km
380,000 km
450,000 km
Author:
rikazzz
Comment
Gravitation
If the mass of the Earth is 6 × 10
24
, radius is 6400 km and altitude is 1000 km, then the value of ‘g’ will be
8 ms
-2
7.3 ms
-2
9.5 ms
-2
8.9 ms
-2
Author:
rikazzz
Comment
Gravitation
The value of gravitation on moon’s surface is 1.6 ms
-1
. The weight of a 100 kg body on the moon’s surface will be
80 N
100 Ns
120 N
160 N
Author:
rikazzz
Comment
Everyday Science
The gravitation is inversely related to
distance between masses
product of magnitude of masses
direction of masses
square of distance between masses
Author:
rikazzz
Comment
Gravitation
The orbital speed of a low orbit satellite is
8000 ms
-1
zero
800 ms
-1
80 ms
-1
Author:
rikazzz
Comment
Everyday Science
The natural satellite of Earth is
moon
stars
sun
mars
Author:
rikazzz
Comment
Gravitation
In the gravitational field of the Earth, the gravitational force per unit mass is called the Earth’s
gravitational field weakness
gravitational field strength
zero gravitational field
altitude
Author:
rikazzz
Comment
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