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4 Questions around this concept.
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: An electric fan continues to rotate for some time after the current is switched off.
Reason R: The fan continues to rotate due to the inertia of motion.
In the light of the above statements, choose the most appropriate answer from the options given below:
Definition- Inertia is the property of a body by which it continues to remain in its existing state of rest or uniform motion in a straight line unless an external force acts on it.
It is a dimensionless and unitless quantity.
Types of inertia:-
Ex- Person standing in the bus thrown backward when the bus starts suddenly.
Ex- Person standing in a moving bus thrown forward when the bus stops suddenly.
Ex- The raindrops falling vertically downwards cannot change their direction of motion.
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