WorksheetsClass 9th PHYSICS: KINEMATICS
Total questions: 121
Worksheet time: 2hrs 1mins
Speed × time is equal to
displacement
distance
velocity
velocity
Scalar quantities are completely described by their.
Unit
Area
Direction
Magnitude
Gravitational acceleration for bodies falling down freely is
positive
negative
zero
always equal to one
Gravitational acceleration is acceleration of bodies
On ground
In air
Freely falling
None of above
Flying speed of a falcon is
100 kmh-1
200 kmh-1
50 kmh-1
500 kmh-1
A stone is dropped from top of a building which is 180 metres high. If stone hits ground after 6 seconds, its final velocity will be.
40 ms−1
50 ms−1
60 ms−1
110 ms−1
If object is at rest then distance-time graph is
straight lined
variable
constant
none of above
Velocity with which a paratrooper comes to ground is called
average velocity
variable velocity
constant velocity
terminal velocity
In a graph, in which time is taken along X-axis and speed is taken along Y-axis is called
speed-time graph
pi chart
distance graph
none of above
If a body does changes its position with respect to its surroundings, it is said to be at
distance
position
rest
motion
A quantity described by magnitude and direction both is called
scalar
vector
unit
none of above
Motion of a butterfly is an example of
vibratory motion
circular motion
linear motion
random motion
Distance covered ⁄ time taken is equal to
speed
velocity
displacement
position
Total length of path is named
displacement
distance
length
none of above
If a body covers equal distances in equal intervals of time however short interval may be, then it has
uniform velocity
uniform speed
uniform acceleration
non-uniform velocity
A bus starts from rest with acceleration of 0.5 ms−2. If it has moved through 100 m, then its speed will be
23 kmh−1
25 kmh−1
34 kmh−1
36 kmh−1
If line of motion is curved then body exhibit
linear motion
rotatory motion
translational motion
vibratory motion
If a body doesn't rotates then its motion is
Vibratory
rotatory
both vibratory and rotatory
Translational
A physical quantity which can be completely described by its magnitude only is called
Scalar
vector
displacement
velocity
Gravitational acceleration for bodies moving up is
positive
negative
zero
always equal to one
A train moves with a uniform velocity of 27 kmh−1 for 15 s. distance covered by it is
112.5 m
115 m
120 m
135 m
Rest state and motion of body are
non relative
not related
relative
none of above
Velocity is rate of change of
displacement
distance
force
none of above
Distorted motion of an object is
circular
random
vibratory
vibratory and translational
A cyclist completes half round of a circle track of radius 420 metres in 3 minutes. Its speed will be
5 ms−1
8 ms−1
10 ms−1
7.33 ms−1
If a body does not change its posotion with respect to its surroundings, it is said to be at
Rest
motion
distance
position
Quantities between which a graph is plotted are known as
constants
co-efficients
surds
variables
Spinning of body about its axis is
rotator
circular
translational
none of above
A tennis ball hits vertically upward with velocity of 25ms−1 and takes 4 s to reach highest point. Maximum height reached by ball is
45 m
55 m
30 m
50 m
Distance covered by an object in unit time is called its
Speed
velocity
displacement
position
Time taken by a train to slow down from 80 kmh-1 to 20 kmh-1 with a uniform deceleration of 2 ms-2 is
9 s
10 s
8.3 s
8.4 s
Length of a path between 2 points is called
displacement
distance
position
velocity
If velocity of a body increases with time, then its acceleration is
zero
positive
negative
none of above
Types of motion are
2
3
4
5
Rate of change of velocity is called
speed
distance
force
acceleration
Shortest distance between 2 points which also has direction and magnitude is termed as
position
velocity
displacement
distance
In terms of velocity, symbol vf is used for
final velocity
initial velocity
negative velocity
total velocity
Motion of riders in Ferris wheel is
rotatory
translational
non relative
none of three options
Height of tower when stone dropped from it reaches ground in 5 s is
130 m
125 m
150 m
200 m
Negative acceleration is called
friction
retardation
uniform acceleration
variable acceleration
Study of motion of an object without discussing cause of motion is known as
kinematics
dynamics
trinamics
friction
If a body doesn't change its position with respect to its surroundings then it’s in state of
motion
rest
equilibrium
weightlessness
Location of a place or a point with respect to some reference point(origin) is known as
velocity
rest
displacement
position
Motion of an object in a circular path is called
random motion
vibratory motion
circular motion
linear motion
Reference point is taken as
origin
anywhere on x-axis
anywhere on y-axis
in between two coordinates
If a body covers equal displacement in equal intervals of time however short interval may be, then it has
uniform velocity
uniform speed
non-uniform speed
uniform acceleration
An athlete completes its 200 metre race in 25 seconds. Its average speed will be
6 ms−1
10 ms−1
8 ms−1
5 ms−1
If a body covers equal distance in equal intervals of time then its speed is
variable
uniform
equal
constant
A car is moving at a speed of 36 kmh−1. Its speed expresses in ms−1 is
25 ms−1
10 ms−1
20 ms−1
30 ms−1
A brick is dropped from top of a building. If it hits ground after 6 seconds, height of building will be
120 metres
150 metres
110 metres
180 metres
Displacement ⁄ time taken is equal to
uniform speed
velocity
speed
distance
If body has equal changes in velocity in equal intervals of time however short interval may be, then it has
uniform velocity
uniform speed
distance
uniform acceleration
Change in velocity ⁄ time taken is equal to
speed
distance
displacement
acceleration
Equations of motion for bodies moving with uniform acceleration are of
2 types
4 types
3 types
5 types
Mass, length, speed, work, time and energy are examples of
velocity
scalar
vector
displacement
Motion of a baby in a swing is an example of
circular motion
rotatory motion
random motion
vibratory motion
Rate of displacement of a body is called its
non-uniform speed
non-uniform velocity
velocity
speed
Among following scalar quantity is
length
mass
volume
all 3 options
Deceleration or retardation is synonyms of
positive acceleration
negative acceleration
zero acceleration
speed
A bus accelerates at 1 ms−2 from an initial velocity of 4 ms−1 for 10s. distance moved in that time will be
90 metre
25 metre
60 metre
72 metre
Disordered or irregular motion of an object is called
vibratory motion
circular motion
linear motion
random motion
A motion in which a body moves along a line without any rotation is known as
translatory motion
rotatory motion
vibratory motion
rest
In distance-time graph time is taken on
y-axis
x-axis
z-axis
in between two coordinates
Velocity, displacement, force, momentum are examples of
energy
scalar
vector
length
Motion of a steering wheel is an example of
vibratory motion
circular motion
rotatory motion
linear motion
Quantity whose value varies with independent quantity is termed as
negative quantity
dependent quantity
fixed quantity
zero quantity
A physical quantity which can be completely described by its magnitude and direction is called
scalar
vector
displacement
velocity
Numerical value with an appropriate unit is called
rate
magnitude of quantity
amount
position
Acceleration of freely falling bodies is known as
galileo acceleration
going acceleration
graphical acceleration
gravitational acceleration
To and fro motion of a body about its mean position is termed as
random motion
vibratory motion
circular motion
rotatory motion
A spinning motion of a body about its axis is called its
rotatory motion
vibratory motion
circular motion
linear motion
Displacement is defined as
the longest distance between two points
the distance between two points
the shortest distance between two points
all of above
If a car is moving at 30 ms-1 and uniformly slows down to 15 ms-1 in 5s then its deceleration is
-3 ms-1
-4 ms-1
5 ms-1
7 ms-1
A vector quantity among following is
velocity
force
both velocity and force
energy
A bus moving in a straight and leveled road is in
linear motion
vibratory motion
circular motion
random motion
Rate of change of distance is
velocity
force
position
speed
Motion of Earth around Sun is an example of
random motion
vibratory motion
circular motion
linear motion
If a car is traveling at 8 ms−1 accelerates uniformly at 2 ms−2, its velocity after 5 seconds will be
20 ms−1
23 ms−1
25 ms−1
28 ms−1
A train starts from rest. It acquires a speed of 25 ms−1 after 20 s. total distance is
500 m
31.25 m
300 m
250 m
Children playing on see-saw exhibit
translational motion
rotatory motion
linear motion
vibratory motion
Rate of change of velocity of a body is called its
displacement
acceleration
speed
distance
A passenger John is sitting in a moving car, so with respect to other passengers he is at
rest
motion
displacement
position
If velocity of a body decreases with time, then its acceleration is
zero
positive
negative
none of 3 options
If a car is moving at a velocity of 30 ms−-1 then slows down uniformly to 20ms−1 in 6s. Its retardation will be
5 ms−2
2.33 ms−2
1.67 ms−2
4 ms−2
In terms of velocity, symbol vi is used for
initial velocity
negative velocity
total velocity
final velocity
Gravitational acceleration is denoted by
a
g
r
G
Third equation of motion can be represented as
Vf = Vi + at
2aS = V2f - V2i
2aS = Vf - Vi
none of 3 options
Value of gravitational acceleration is approximately
15 ms−2
25 ms−2
10 ms−2
5 ms−2
Straight line motion of a body is known as
circular motion
linear motion
random motion
vibratory motion
Alex is walking at rate of 2km/h towards east, it is an example of
A.
B.
C.
D.
vector
scalar
length
energy
Velocity of cyclist when he completes half round of a circular track of radius 318 m in 1.5 min is
A.
10 ms-1
8 ms-1
7.07 ms-1
9 ms-1
A bus starts from rest. Its velocity becomes 30 ms−1 in 8s. Its acceleration will be
3 ms−2
5 ms−2
2 ms−2
3.5 ms−2
Quantities between which graph is plotted is called
scalars
vectors
variables
none of above
Velocity of ball at highest point when its thrown vertically upward is
-10 ms-1
10 ms-2
8 ms-1
Zero
A car starts from rest. It moves through 2 km in 100 s with uniform acceleration. Its speed at end of 100 s will be
80 −1
20 −1
40 ms−1
10 −1
A cyclist completes half round of a circle track of radius 420 metres in 3 minutes. Its velocity will be
4.67 ms−1
5.33 ms−1
2.8 ms−1
3.5 ms−1
A passenger John is sitting in a moving car, as per an observer outside car, he is at
position
rest
motion
displacement
(Final velocity - initial velocity) is called
position
acceleration
change in velocity
displacement
A ball is thrown vertically upward. Its velocity at highest point is
zero
10 ms−1
15 ms−1
20 ms−1
A straight line parallel to time-axis on a distance-time graph tells that object is
at rest
in motion
moving with constant speed
moving with variable speed
The to and fro motion of a body about its mean position is known as
Vibratory motion
Rotatory motion
Circular motion
Random motion
By dividing displacement of a moving body with time, we obtain
Speed
Acceleration
Velocity
Deceleration
A scalar has
Direction only
Magnitude only
Both magnitude and direction
None of these
A body covers distance 20 m in 5 seconds. Its speed will be
2 ms-1
4 ms-1
5 ms-1
10 ms-1
A ball is thrown vertically upward. Its velocity at the highest point is
10ms-1
Zero
10 ms-2
None of these
If an object is moving with constant speed then its distance time graph will be a straight line
Along time axis
Along distance axis
Parallel to time axis
Inclined to time axis
The shortest distance between two points which has magnitude and direction is called
Position
Displacement
Length
Distance
The disordered or irregular motion of an object is called
Linear motion
Circular motion
Random motion
Vibratory motion
The motion of a body about an axis is called
Circular motion
Rotatory motion
Vibratory motion
Random motion
Tick the vector quantity
Weight
Time
Volume
Work
A car starts from rest. It acquires a speed of 24 ms-1 after 20 s. The distance moved by the car during this time is:
31.25 m
250 m
500 m
5000 m
The motion of a steering wheel about its axis is a
Circular motion
Vibratory motion
Rotatory motion
Random motion
A body has translatory motion if it moves along a
Straight line
Circle
Line without rotation
Curved path
In SI units the value of 'g' is:
19.6 ms-2
9.8 ms-2
4.9 ms-2
12.5 ms-2
A change in position is called
Speed
Velocity
Displacement
Distance
Freely falling bodies move under the action of
Force
Gravity
Velocity
Mass
Which of the following is a vector quantity?
Speed
Distance
Displacement
Power
The slope of distance time graph gives
Speed of the body
Distance covered by the body
Acceleration of the body
Deceleration of the body
Which of the following is a vector quantity?
Speed
Distance
Displacement
Power
If an object is moving with constant speed then its distance time graph will be a straight line
Along time axis
Along distance axis
Parallel to time axis
Inclined to time axis
A body covers distance 20 m in 5 seconds. Its speed will be
2 ms-1
4 ms-1
5 ms-1
10 ms-1
