Question 1
1 Mark
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
Options
Option A
Zero
Option B
πr
Option C is correct
2 r
Option D
2 πr
Questions & Answers: "Motion"
Complete guide to "Motion" for Physics students. Below you will find important questions and model answers to help you prepare.
11 Questions
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We are building a dedicated quiz for this topic, but you can test your skills on a similar concept: NCERT-IX Gravitation: Practice Set 1.
Question 2
1 Mark
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
Options
Option A
u/g
Option B is correct
u²/2g
Option C
u²/g
Option D
u/2g
Question 3
1 Mark
The numerical ratio of displacement to distance for a moving object is
Options
Option A
always less than 1
Option B
always equal to 1
Option C
always more than 1
Option D is correct
equal or less than 1
Question 4
1 Mark
If the displacement of an object is proportional to square of time, then the object moves with
Options
Option A
uniform velocity
Option B is correct
uniform acceleration
Option C
increasing acceleration
Option D
decreasing acceleration
Question 5
1 Mark
From the given v – t graph, it can be inferred that the object is
Options
Option A is correct
in uniform motion
Option B
at rest
Option C
in non-uniform motion
Option D is correct
moving with uniform acceleration
Question 6
1 Mark
Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 m s–1. It implies that the boy is
Options
Option A
at rest
Option B
moving with no acceleration
Option C is correct
in accelerated motion
Option D
moving with uniform velocity
Question 7
1 Mark
Area under a v – t graph represents a physical quantity which has the unit
Options
Option A
m²
Option B is correct
m
Option C
m³
Option D
msˉ¹
Question 8
1 Mark
Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in the following figure. Choose the correct statement.
Options
Option A
Car A is faster than car D.
Option B is correct
Car B is the slowest.
Option C
Car D is faster than car C.
Option D
Car C is the slowest.
Question 9
1 Mark
Slope of a velocity – time graph gives
Options
Option A
the distance
Option B
the displacement
Option C is correct
the acceleration
Option D
the speed
Question 10
1 Mark
In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?
Options
Option A is correct
If the car is moving on straight road
Option B
If the car is moving in circular path
Option C
The pendulum is moving to and fro
Option D
The earth is revolving around the Sun
Question 11
1 Mark
Which of the following figures represents uniform motion of a moving object correctly?
Options
Option A is correct
Option B 
Option C 
Option D 