Law of Inertia

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Law of Inertia: Overview

This topic consists of various concepts like Concept of Inertia,Inertia of Motion,Inertia of Rest, etc.

Important Questions on Law of Inertia

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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: Fan continues to rotate due to inertia of motion.

In the light of above statements, choose the most appropriate answer from the options given below.

 

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A stone when thrown on a glass window smashes the window pan to pieces. But a bullet fired from a gun passes through making a hole. Why ?

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Why does an electric fan continue to rotate for some time after the current is switched off ?

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What is inertia ?  How is it measured ?

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"A person on a horse's back tends to fall back if the horse starts running all of a sudden". Why ?

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"When the branch of a tree is shaken, the fruits fall".  Why ?

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"A ball thrown vertically upwards by a person sitting in a train comes back to his hands". Why ?

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"An athlete runs a certain distance before taking a leap".  Why ?

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A bob is suspended by a cord from the ceiling of a car. What is the effect on the position of the bob if the car moves with a constant acceleration?

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"A man jumping out of a moving train falls with his head forward". Why?

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If we jerk a piece of paper from under a book quick enough, the book will not move. Why ?

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Rahul was sitting on the back of a horse. The horse suddenly started running, Rahul

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Explain the concept of inertia.

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What is inertia of rest with example?

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 Why does a rider on horseback fall when the horse starts running all of a sudden?

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What in inertia of rest?

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Mass is a measure of:

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What is Inertia of Rest? Explain with an example.

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Which of the following physicists used the term inertia for the first time?

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A passenger getting down from a moving bus falls in the direction of the motion of the bus, this is an example for