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
Correct Answer: Galileo
Solution : The correct answer is Galileo.
Galileo, by studying the motion of objects on an inclined plane, concluded that objects move at a constant speed in the absence of external forces. Notably, he observed that when a marble rolls down an inclined plane, its velocity increases steadily.
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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
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 : 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 : "Impulse" can be defined as:
Option 1: the force acting on a body for a very long time.
Option 2: the work done by a body for a short time.
Option 3: the force acting on a body for a short time.
Option 4: the temperature acting on a body for a short time.
Question : Power exerted by an object moving in a straight line is equal to force multiplied by ______.
Option 1: displacement
Option 2: velocity
Option 3: work
Option 4: acceleration
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