Questions & Answers: "Motion"
Complete guide to "Motion" for Physics students. Below you will find important questions and model answers to help you prepare.
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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.
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Exemplar
11 QuestionsA particle is moving in a circular path of radius r. The displacement after half a circle would be:
Options
Zero
πr
2 r
2 πr
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
Options
u/g
u²/2g
u²/g
u/2g
The numerical ratio of displacement to distance for a moving object is
Options
always less than 1
always equal to 1
always more than 1
equal or less than 1
If the displacement of an object is proportional to square of time, then the object moves with
Options
uniform velocity
uniform acceleration
increasing acceleration
decreasing acceleration
From the given v – t graph, it can be inferred that the object is
Options
in uniform motion
at rest
in non-uniform motion
moving with uniform acceleration
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
at rest
moving with no acceleration
in accelerated motion
moving with uniform velocity
Area under a v – t graph represents a physical quantity which has the unit
Options
m²
m
m³
msˉ¹
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
Car A is faster than car D.
Car B is the slowest.
Car D is faster than car C.
Car C is the slowest.
Slope of a velocity – time graph gives
Options
the distance
the displacement
the acceleration
the speed
In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?
Options
If the car is moving on straight road
If the car is moving in circular path
The pendulum is moving to and fro
The earth is revolving around the Sun
