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WorksheetsGravitation
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
'The orbit of a planet is an ellipse with the Sun at one of the foci" is Kepler's
a)
First law
b)
Second law
c)
Third Law
2.
The square of period of revolution around the Sun is _____ to the cube of mean distance of a planet from the Sun
a)
Directly proportional
b)
Indirectly proportional
3.
Constant of proportionality is
a)
g
b)
G
4.
The SI unit of mass is
a)
kg
b)
g
5.
The value of 'g' ____ if we go inside the Earth
a)
changes
b)
remains the same
6.
On the surface of the Earth, the escape velocity is about
a)
11.2 km/s
b)
12.1 km/s
7.
The force of gravity is ____ to the square of distance
a)
Inversely proportional
b)
Directly proportional
8.
Even if we go to another planet ___ remains the same
a)
weight
b)
mass
9.
Mass is a _____ quantity
a)
Scalar
b)
Vector
10.
F=
a)
mg
b)
ag
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