Test: The Law of Inertia (NCERT)

Question 1

The term inertia was first used by

Accepted Answer

Galileo

Answer

Newton

Answer

Aristotle

Answer

Kepler

Question 2

Inertia is that property of a body by virtue of which the body is

Accepted Answer

unable to change by itself the state of rest or of uniform motion.

Answer

unable to change by itself the state of rest.

Answer

unable to change by itself the state of uniform motion.

Answer

unable to change by itself the direction of motion.

Question 3

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

Accepted Answer

Inertia of motion

Answer

second law of motion

Answer

third law of motion

Answer

inertia of rest

Question 4

A ball is travelling with uniform translatory motion, This means that

Accepted Answer

all parts of the hall have the same velocity (magnitude and direction) and the velocity is constant.

Answer

it is at rest.

Answer

the path can be a straight line or circular and the ball travels with uniform speed.

Answer

the centre of the hall moves with constant velocity and the ball spins about its centre uniformly.

Question 5

When a speeding bus stops suddenly, passengers are thrown forward from their seats because

Accepted Answer

upper part of the body continues to be in the state of motion whereas the lower part of the body in contact with seat remains at rest

Answer

the back of seat suddenly pushes the passengers forward

Answer

inertia of rest stops the bus and takes the body forward

Answer

upper part of the body come to rest whereas the lower part of the body in contact with seat begins to move

The Law of Inertia (NCERT) - Free MCQ Practice Test with solutions, NEET