Question:
Assuming earth to be an inertial frame, an example for inertial frame observer is
Assuming earth to be an inertial frame, an example for inertial frame observer is
Updated On: Sep 3, 2024
- a driver in a train which is slowing down to stop
- a person in a car moving with uniform velocity
- a girl revolving in a merry-go-round
- a passenger in an aircraft which is taking off
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The Correct Option is B
Solution and Explanation
There is no acceleration or change in direction when a person is in a car moving with uniform velocity.
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Concepts Used:
Newtons Laws of Motion
Newton’s First Law of Motion:
Newton’s 1st law states that a body at rest or uniform motion will continue to be at rest or uniform motion until and unless a net external force acts on it.
Newton’s Second Law of Motion:
Newton’s 2nd law states that the acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the object’s mass.
Mathematically, we express the second law of motion as follows:
Newton’s Third Law of Motion:
Newton’s 3rd law states that there is an equal and opposite reaction for every action.