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Inertia MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET
Quick Facts
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5 Questions around this concept.
Solve by difficulty
Two particles A and B start moving due to their mutual interaction only. If at any time 't;, are their respective accelerations,
are their respective velocities and upto that time
are the work done on A & B respectively by the mutual force ,
are their masses respectively, then which of the following is always correct.
Assertion: There is a line passing through the tangent of a disc; the disc’s moment of inertia about that line is
Reason: If the disc’s moment of inertia about its diameter is known then to know the moment of inertia about the tangent line, we need to use the parallel axis theorem.
Concepts Covered - 1
Inertia
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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.
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It is a dimensionless and unitless quantity.
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Types of inertia:-
- The inertia of rest- Inability of a body to change its state of rest by itself.
Ex- Person standing in the bus thrown backward when the bus starts suddenly.
- The inertia of motion- Inability of a body to change its state of motion by itself.
Ex- Person standing in a moving bus thrown forward when the bus stops suddenly.
- The inertia of direction- Inability of a body to change its direction of motion by itself.
Ex- The raindrops falling vertically downwards cannot change their direction of motion.
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