Question : Once a satellite has been launched into orbit, the only force governing its motion is the force of______________.
Option 1: friction
Option 2: elasticity
Option 3: gravity
Option 4: fuel driven
Correct Answer: gravity
Solution : The correct option is gravity.
Once a satellite has been launched into orbit, the only force governing its motion is the force of gravity. The gravitational force between the satellite and the celestial body it is orbiting (usually Earth) is what keeps the satellite in its orbital path. This force is responsible for the satellite's circular or elliptical motion around the celestial body. In the absence of other significant forces, such as atmospheric drag, the gravitational force is the dominant factor determining the satellite's orbital behaviour.
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Question : Identify the incorrect statement for the universal law of gravitation.
Option 1: It is the force that binds us to the earth
Option 2: It is the force causing tides due to the stars and the earth
Option 3: It is the forces that assist the motion of the moon around the earth
Option 4: It is the force that keeps the motion of planets around the Sun
Question : Every Panchayat, unless dissolved for some time immediately after the coming into force of any law, shall continue for the _________year/years from the date appointed for its first meeting.
Option 1: three
Option 2: five
Option 3: one
Option 4: two
Question : Observing the motion of objects on an inclined plane______deduced that objects move with a constant speed when no force acts on them.
Option 1: Michael Faraday
Option 2: Johannes Kepler
Option 3: Galileo
Option 4: Archimedes
Question : The Constitution of India came into force on
Option 1: 26 January 1950
Option 2: 26 January 1952
Option 3: 15 August 1948
Option 4: 26 November 1949
Question : Which of the following is an INCORRECT match?
Option 1: Pressure – Pascal
Option 2: Volume – metre
Option 3: Force – Newton
Option 4: Work done – joule
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