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Chapter 5 - Circular Motion - 3
1.
The time period of the orbit of a geostationary satellite is ..................... hours.
a) 36
b) 48
c) 12
d) 24
2.
........................ geostationary satellites can cover the communication system of the whole world.
a) Two
b) Five
c) Four
d) Three
3.
The angular analogue of the force is called ........................?
a) Torque
b) Energy
c) Force
d) Work
4.
The linear acceleration is related to the angular acceleration by the relation a = ..................
a) a / r α
b) a x r α
c) a = r α
d) a = r α
5.
1 radian is the unit of angular displacement in
a) 2 π radian
^{2}
b) SI unit
c) Angular unit
d) Metric unit
6.
1 revolution =
a) 2 π radian
^{-1}
b) 2 π radian
^{2}
c) 2 π radian
^{-2}
d) 2 π radian
7.
Angular acceleration is measured in
a) rad/sec
^{2}
b) rad/sec
^{-1}
c) rad/sec
^{-2}
d) rad/sec
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