Class 9 - Practice Level 1 – Motion

Total questions: 40

What is the total distance covered by a body moving from point A to point B and back to point A?

Topic: Distance and Displacement

Zero

The distance between A and B

Twice the distance between A and B

None of the above

None

If a car travels 100 km in 2 hours, what is its average speed?

Topic: Speed and Velocity

50 km/h

100 km/h

25 km/h

200 km/h

None

What is the acceleration of a body that starts from rest and reaches a speed of 20 m/s in 4 seconds?

Topic: Acceleration

5 m/s²

2 m/s²

10 m/s²

4 m/s²

None

A body moving with a constant speed in a straight line is said to be in:

Topic: Uniform Motion

Non-uniform motion

Uniform motion

Uniform acceleration

Random motion

None

In a distance-time graph, a straight horizontal line indicates:

Topic: Displacement-Time Graphs

Constant speed

No motion

Increasing speed

Decreasing speed

None

If two cars are moving in opposite directions at speeds of 40 km/h and 60 km/h, what is their relative speed?

Topic: Relative Speed

20 km/h

100 km/h

60 km/h

40 km/h

None

Which of the following is a scalar quantity?

Topic: Scalars and Vectors

Displacement

Velocity

Speed

Acceleration

None

What is uniform circular motion?

Topic: Uniform Circular Motion

Motion in a straight line at constant speed

Motion in a circle at constant speed

Motion in a circle at varying speed

Motion in a straight line at varying speed

None

What is the average velocity of an object that moves from point X to point Y, 100 meters away, in 20 seconds?

Topic: Average Velocity

2 m/s

5 m/s

10 m/s

20 m/s

None

10.

Instantaneous speed is defined as:

Topic: Instantaneous Speed

The speed at any given point in time

The average speed over a period of time

The total distance divided by the total time

None of the above

None

11.

Newton's First Law of Motion is also known as the law of:

Topic: Newton’s First Law of Motion

Action and Reaction

Inertia

Acceleration

Gravitation

None

12.

A train travels at a speed of 60 km/h. How much distance will it cover in 3 hours?

Topic: Calculating Distance

180 km

120 km

60 km

240 km

None

13.

In a velocity-time graph, a straight line parallel to the time axis indicates:

Topic: Velocity-Time Graphs

Uniform acceleration

Constant velocity

Increasing velocity

Decreasing velocity

None

14.

What is the SI unit of velocity?

Topic: SI Units

Meter per second (m/s)

Kilometer per hour (km/h)

Meter per hour (m/h)

Kilometer per second (km/s)

None

15.

An object is said to have uniform acceleration if:

Topic: Uniform Acceleration

Its velocity changes by unequal amounts in equal intervals of time

Its velocity changes by equal amounts in equal intervals of time

Its speed remains constant

It moves in a circular path

None

16.

What is retardation?

Topic: Retardation

Negative velocity

Negative displacement

Negative acceleration

Negative distance

None

17.

When two objects move in the same direction with the same speed, their relative velocity is:

Topic: Relative Motion

Equal to their speed

Twice their speed

Zero

Half their speed

None

18.

According to Newton’s Second Law of Motion, the force acting on an object is equal to:

Topic: Newton’s Second Law of Motion

The product of its mass and acceleration

The product of its mass and velocity

The product of its velocity and acceleration

The product of its displacement and time

None

19.

What is the acceleration due to gravity for an object in free fall near the Earth's surface?

Topic: Free Fall

$ \displaystyle \text{9}\text{.8 m/s}$

$ \displaystyle \text{9}\text{.8 m/}{{\text{s}}^{2}}$

$ \displaystyle \text{9}\text{.8 km/h}$

$ \displaystyle \text{9}\text{.8 m/h}$

None

20.

Which of the following correctly differentiates between uniform motion and uniform acceleration?

Topic: Uniform Motion vs. Uniform Acceleration

Uniform motion has constant speed; uniform acceleration has constant acceleration

Uniform motion has constant acceleration; uniform acceleration has constant speed

Uniform motion has constant speed; uniform acceleration has decreasing speed

Uniform motion has increasing speed; uniform acceleration has constant acceleration

None

21.

What is the second equation of motion?

Topic: Kinematic Equations

$ \displaystyle v=\text{ }u\text{ }+\text{ }at$

$ \displaystyle s=ut+\frac{1}{2}a{{t}^{2}}$

$ \displaystyle {{v}^{2}}={{u}^{2}}+2as$

$ \displaystyle F=ma$

None

22.

An object is said to be in motion if it:

Topic: Rest and Motion

Changes its position with respect to its surroundings

Does not change its position with respect to its surroundings

Changes its mass

Changes its shape

None

23.

What is the SI unit of acceleration?

Topic: SI Units of Motion

$ \displaystyle m/s$

$ \displaystyle m/{{s}^{2}}$

$ \displaystyle km/h$

$ \displaystyle m/{{h}^{2}}$

None

24.

A car covers 150 km in 3 hours. What is its average speed?

Topic: Speed Calculation

50 km/h

45 km/h

60 km/h

55 km/h

None

25.

Displacement is:

Topic: Distance and Displacement

Always greater than or equal to distance

Always less than or equal to distance

The same as distance

Always greater than distance

None

26.

The third equation of motion is:

Topic: Equations of Motion

$ \displaystyle v=u+at$

$ \displaystyle s=ut+\frac{1}{2}a{{t}^{2}}$

$ \displaystyle {{v}^{2}}={{u}^{2}}+2as$

$ \displaystyle f=ma$

None

27.

On a velocity-time graph, the area under the graph represents:

Topic: Motion Representation

Displacement

Velocity

Acceleration

Speed

None

28.

An object is said to be at rest if:

Topic: Rest Position

It does not change its position with respect to time

It moves with constant velocity

It moves with uniform acceleration

It moves with variable speed

None

29.

If a cyclist travels 30 km in 2 hours, what is the average speed?

Topic: Speed Calculation

15 km/h

30 km/h

20 km/h

10 km/h

None

30.

When a body moves in a circular path, the direction of its velocity:

Topic: Direction and Motion

Changes continuously

Remains constant

Changes alternately

Becomes zero

None

31.

When a car slows down, its acceleration is:

Topic: Positive and Negative Acceleration

Positive

Negative

Zero

Infinite

None

32.

On a distance-time graph, a curve represents:

Topic: Graphs in Motion

Accelerated and uniform motion

Deaccelerted and non-uniform motion

Either accelerated or deaccelerated motion

Either stationary or non-uniform motion

None

33.

A person walks 10 km in 2 hours and then 5 km in 1 hour. What is the average speed?

Topic: Average Speed Calculation

5 km/h

10 km/h

15 km/h

20 km/h

None

34.

If a train travels at 80 km/h, how long will it take to cover a distance of 240 km?

Topic: Calculating Time

3 hours

2 hours

4 hours

5 hours

None

35.

In linear motion, the path followed by an object is:

Topic: Linear Motion

Curved

Circular

Straight

Zigzag

None

36.

An object moving with uniform motion has:

Topic: Uniform Motion

Constant speed and changing direction

Changing speed and constant direction

Constant speed and constant direction

Changing speed and changing direction

None

37.

What is the first equation of motion?

Topic: Equations of Motion

$ \displaystyle v=u+at$

$ \displaystyle s=ut+\frac{1}{2}a{{t}^{2}}$

$ \displaystyle {{v}^{2}}={{u}^{2}}+2as$

$ \displaystyle f=ma$

None

38.

What does a straight line inclined to the time axis on a displacement-time graph indicate?

Topic: Displacement-Time Graphs

Constant velocity

Accelerated motion

Retarded motion

No motion

None

39.

Newton's Third Law of Motion states:

Topic: Newton’s Third Law of Motion

For every action, there is an equal and opposite reaction

An object in motion stays in motion

Force equals mass times acceleration

The acceleration of an object is directly proportional to the net force

None

40.

A ball thrown upwards follows a curved path. This type of motion is called:

Topic: Projectile Motion

Circular motion

Rectilinear motion

Projectile motion

Rotational motion

None

1 out of 40

Time's up

Class 9 - Practice Level 1 – Motion

Welcome back