Law of Inertia

IMPORTANT

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

EASY
IMPORTANT

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.

 

MEDIUM
IMPORTANT

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 ?

EASY
IMPORTANT

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

EASY
IMPORTANT

What is inertia ?  How is it measured ?

EASY
IMPORTANT

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

EASY
IMPORTANT

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

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

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

MEDIUM
IMPORTANT

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?

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

Explain the concept of inertia.

EASY
IMPORTANT

What is inertia of rest with example?

EASY
IMPORTANT

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

EASY
IMPORTANT

What in inertia of rest?

EASY
IMPORTANT

Mass is a measure of:

EASY
IMPORTANT

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

MEDIUM
IMPORTANT

What is Inertia of Rest? Explain with an example.

EASY
IMPORTANT

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