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Physics — Second Secondary

Physics — Second Secondary

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Physics — Second Secondary 2026/2027

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Quiz

Question bank: Chapter 2: Motion in a Straight Line

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1.
Motion is best defined as the change in an object's:
mass with time
position with time, relative to another object
shape with time
temperature with time
2.
Which of the following is a periodic motion?
A car travelling from Cairo to Alexandria
A stone thrown at an angle
The prong of a vibrating tuning fork
A train moving on a straight track
3.
Which of the following is a translational motion?
The oscillation of a pendulum
The motion of a projectile
A point on a rotating wheel
A vibrating guitar string
4.
A passenger sits in a moving train. He is at rest relative to:
the platform
the trees outside
the train
a car moving in the opposite direction
5.
Velocity is defined as:
distance per unit time
displacement per unit time
velocity change per unit time
force per unit mass
6.
Which of the following is a scalar quantity?
Velocity
Displacement
Acceleration
Speed
7.
A car's speedometer measures:
velocity
acceleration
speed
displacement
8.
1 km/h is equal to:
18/5 m/s
5/18 m/s
1/60 m/s
3.6 m/s
9.
A velocity of 72 km/h is equal to:
7.2 m/s
20 m/s
72 m/s
259 m/s
10.
A velocity of 15 m/s is equal to:
4.2 km/h
15 km/h
54 km/h
150 km/h
11.
A cyclist moves at a uniform 8 m/s. The distance covered in 25 s is:
3.1 m
33 m
200 m
2000 m
12.
A runner covers 3000 m in 10 min. His average velocity is:
3 m/s
5 m/s
30 m/s
300 m/s
13.
An object moves with uniform velocity when it:
covers equal displacements in equal intervals of time
covers unequal displacements in equal intervals
moves in a circle
changes its speed uniformly
14.
A motorcyclist covers 5 m, 8 m, 11 m and 14 m in successive seconds. His velocity is:
uniform
variable
zero
negative
15.
The velocity of a body at a particular moment is called:
average velocity
uniform velocity
instantaneous velocity
relative velocity
16.
A man walks 400 m east then 400 m west and returns to his starting point in 10 min. His average velocity is:
1.33 m/s
0.67 m/s
0
80 m/s
17.
A car travels 100 km in the first hour and 50 km in the second hour in the same direction. Its average velocity is:
50 km/h
75 km/h
100 km/h
150 km/h
18.
A body has an average velocity of 15 m/s. Time taken to cover 3 km is:
20 s
45 s
200 s
450 s
19.
The SI unit of acceleration is:
m/s
m2/s
m/s2
N
20.
Acceleration is defined as the time rate of change of:
displacement
distance
velocity
force
21.
A car increases its velocity from 0 to 20 m/s in 5 s. Its acceleration is:
0.25 m/s2
4 m/s2
15 m/s2
100 m/s2
22.
A car slows from 30 m/s to 10 m/s in 4 s. Its acceleration is:
+5 m/s2
−5 m/s2
−10 m/s2
+20 m/s2
23.
An acceleration of 3 m/s2 means that:
the body moves 3 m every second
its velocity changes by 3 m/s every second
its velocity is 3 m/s
it stops after 3 s
24.
A body moves with constant velocity. Its acceleration is:
positive
negative
zero
infinite
25.
If the velocity and acceleration of a body are both negative, the body:
speeds up
slows down
moves at constant velocity
stops
26.
If the acceleration is opposite in direction to the velocity, the body's speed:
increases at a constant rate
decreases
stays constant
becomes negative immediately
27.
A ball rolling up a smooth inclined plane has:
positive acceleration
zero acceleration
negative acceleration
increasing speed
28.
A ball rolling along a smooth horizontal surface has:
positive acceleration
negative acceleration
zero acceleration
velocity zero
29.
A motorcycle starts from rest with a = 3 m/s2. Its velocity after 9 s is:
3 m/s
12 m/s
27 m/s
81 m/s
30.
Which control of a car changes the DIRECTION of its velocity?
Gas pedal
Brake pedal
Steering wheel
Horn
31.
A cart has velocity −4 m/s and acceleration +1 m/s2. The cart is:
speeding up
slowing down
at constant velocity
at rest
32.
The dimensional formula of acceleration is:
LT−1
LT−2
L2T−1
L−1T2
33.
On a displacement–time graph, the slope of the line gives:
acceleration
velocity
force
distance
34.
On a displacement–time graph, a horizontal straight line represents an object that is:
moving with uniform velocity
accelerating
at rest
slowing down
35.
The instantaneous velocity on a displacement–time curve is found from the:
area under the curve
slope of the tangent at that point
slope of the chord between the two ends
height of the curve
36.
The average velocity on a displacement–time graph equals the:
slope of the tangent at the middle
slope of the straight line joining the first and last points
area under the curve
maximum height
37.
On a velocity–time graph, the slope of the line gives:
displacement
velocity
acceleration
force
38.
A horizontal line above the time axis on a velocity–time graph means:
constant velocity (zero acceleration)
rest
uniform acceleration
uniform deceleration
39.
A velocity–time graph that is a straight line sloping downward represents:
rest
constant velocity
uniform positive acceleration
uniform negative acceleration
40.
In a dot (motion) diagram the spacing between successive dots increases. The object:
moves with uniform velocity
speeds up
slows down
is at rest
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