Master One-Dimensional Motion: Interactive Quizzes and Practice

Question 1

An object moving with constant velocity has

Accepted Answer

No acceleration

Answer

Changing speed

Answer

Changing direction

Question 2

The acceleration of an object is defined as:

Accepted Answer

Change in velocity per unit time

Answer

Change in displacement per unit time

Answer

Force acting on the object

Question 3

A car is traveling at a speed of 30 m/s. If the car applies a constant acceleration of -5 m/s^2, what is its velocity after 10 seconds?

Accepted Answer

5 m/s

Answer

15 m/s

Question 4

Which of the following is a unit of acceleration?

Accepted Answer

m/s^2

Question 5

An object is moving with a speed of 10 m/s and an acceleration of 5 m/s^2. What is its displacement after 5 seconds?

Accepted Answer

75 m

Answer

25 m

Question 6

What is the relationship between velocity and acceleration?

Accepted Answer

Acceleration is the derivative of velocity

Question 7

An object is dropped from a height of 50 m. What is its velocity just before it hits the ground?

Accepted Answer

30 m/s

Answer

20 m/s

Question 8

According to the definition of constant velocity, which of the following remains constant?

Accepted Answer

Speed

Answer

Acceleration

Answer

Displacement

Answer

Distance

Question 9

The acceleration of an object is defined as the:

Accepted Answer

Rate of change of velocity over time

Answer

Rate of change of displacement over time

Answer

Rate of change of speed over time

Answer

Rate of change of distance over time

Question 10

Which of the following equations correctly calculates the velocity of an object?

Accepted Answer

v = u +  at

Answer

s = ut - 1/2at^2

Answer

a = vt + u / t

Answer

v^2 = u^2 - 2as

Question 11

Which of the following factors directly influences the acceleration of an object?

Accepted Answer

Force

Answer

Mass

Answer

Velocity

Answer

Time

Question 12

The standard international unit for acceleration is:

Accepted Answer

m/s^2

Answer

m/s

Answer

km/h

Answer

mph

Question 13

In a forced harmonic oscillator, what is the frequency at which the oscillator's amplitude is maximum?

Accepted Answer

Resonant frequency

Answer

Minimum energy frequency

Answer

Maximum acceleration frequency

Answer

Maximum velocity frequency

Question 14

The position of an object is described by the equation x = 5t + 10, where x is in meters and t is in seconds. Determine the object's velocity.

Accepted Answer

5 meters per second

Answer

10 meters per second

Answer

15 meters per second

Answer

20 meters per second

Question 15

An object is thrown vertically upward with an initial velocity of 20 m/s. What is the maximum height reached by the object?

Accepted Answer

30 meters

Answer

10 meters

Answer

20 meters

Answer

40 meters

Question 16

A car is moving on a circular track with a constant speed. Its acceleration is directed towards the center of the track. Which of the following expressions represents the magnitude of its acceleration?

Accepted Answer

v²/r

Answer

rv²

Answer

v/r

Answer

r/v²

Question 17

A graph of an object's velocity versus time is a straight line with a slope of 5 m/s². What is the object's acceleration?

Accepted Answer

5 m/s

Answer

5 m/s³

Answer

0.2 m/s

Answer

25 m/s

Question 18

An object is dropped from a height of 100 meters. Determine its velocity just before it hits the ground.

Accepted Answer

44.3 m/s

Answer

100 m/s

Answer

9.8 m/s

Answer

20 m/s

Question 19

Which of the following equations represents the equation of motion?

Accepted Answer

v = u + at

Answer

F = ma

Answer

KE = 1/2mv^2

Answer

s = ut

Question 20

A car travels at a speed of 20 meters per second when the driver applies the brakes, causing the car to decelerate at a rate of 5 meters per second squared. How far will the car travel before coming to a stop?

Accepted Answer

40 meters

Answer

20 meters

Answer

60 meters

Answer

80 meters

Question 21

A ball is dropped from a height of 50 meters. What is its velocity just before it hits the ground?

Accepted Answer

-31.3 meters per second

Answer

0 meters per second

Answer

25 meters per second

Answer

50 meters per second

Question 22

A car travels at a speed of 40 meters per second when it applies the brakes, causing it to decelerate at a rate of 2 meters per second squared. How long will it take for the car's velocity to reach 20 meters per second?

Accepted Answer

10 seconds

Answer

15 seconds

Answer

5 seconds

Answer

20 seconds

Question 23

An object is moving with a velocity of 10 m/s and an acceleration of -2 m/s². Calculate its displacement after 7 seconds.

Accepted Answer

-19 meters

Answer

35 meters

Answer

19 meters

Answer

-35 meters

Question 24

A car travels 100 meters east in 5 seconds, then 50 meters west in 2 seconds. What is the car's average velocity?

Accepted Answer

10 m/s east

Answer

20 m/s east

Answer

10 m/s west

Answer

5 m/s east

Question 25

A ball is thrown vertically upward with an initial velocity of 20 m/s. At what point during its trajectory does the ball have zero velocity?

Accepted Answer

At its highest point

Answer

Never

Answer

At the moment it is thrown

Answer

At the moment it hits the ground

Question 26

A train accelerates from rest at a constant rate of 2 m/s². How far does the train travel in the first 5 seconds?

Accepted Answer

25 meters

Answer

50 meters

Answer

100 meters

Answer

12.5 meters

Question 27

A stone is dropped from a height of 100 meters. How long does it take to reach the ground?

Accepted Answer

4.5 seconds

Answer

5 seconds

Answer

10 seconds

Answer

2.0 seconds

Question 28

A ball is thrown horizontally from a cliff with an initial velocity of 10 m/s. Ignoring air resistance, what is the vertical component of the ball's velocity after 2 seconds?

Accepted Answer

19.6 m/s downwards

Answer

10 m/s upwards

Answer

9.8 m/s upwards

Answer

0 m/s

Question 29

A car travels 50 km in one hour. What is the car's average speed in meters per second?

Accepted Answer

13.9 m/s

Answer

180 m/s

Answer

3600 m/s

Answer

50 m/s

Question 30

A ball is thrown straight up with an initial velocity of 15 m/s. How long does it take to reach half of its maximum height?

Accepted Answer

0.75 seconds

Answer

4.5 seconds

Answer

3.0 seconds

Answer

1.5 seconds

Question 31

A train traveling at 30 m/s accelerates at a rate of 1 m/s². What is the train's velocity after 5 seconds?

Accepted Answer

35 m/s

Answer

30 m/s

Answer

25 m/s

Answer

40 m/s

Question 32

A car is traveling at a constant velocity of 25 m/s. What is the car's acceleration?

Accepted Answer

0 m/s²

Answer

25 m/s²

Answer

-25 m/s²

Answer

5 m/s²

Question 33

A car travels 30 m/s for 5 seconds. How far does the car travel?

Accepted Answer

150 m

Answer

35 m

Answer

6 m

Answer

150 m/s

Question 34

An object is dropped from rest. What is its velocity after falling for 3 seconds? (Assume the acceleration due to gravity, g, is approximately 10 m/s²)

Accepted Answer

30 m/s downward

Answer

15 m/s downward

Answer

45 m/s downward

Answer

10 m/s downward

Question 35

A ball is thrown straight up with an initial velocity of 20 m/s. What is its velocity at its highest point?

Accepted Answer

0 m/s

Answer

20 m/s

Answer

10 m/s

Answer

-20 m/s

Question 36

A car accelerates uniformly from 10 m/s to 20 m/s in 5 seconds. What is the car's acceleration?

Accepted Answer

2 m/s²

Answer

10 m/s²

Answer

5 m/s²

Answer

20 m/s²

Question 37

A stone is thrown horizontally from a cliff with an initial velocity of 10 m/s. If it takes 2 seconds to hit the ground, how high is the cliff? (Assume the acceleration due to gravity, g, is approximately 10 m/s²)

Accepted Answer

20 m

Answer

10 m

Answer

40 m

Answer

30 m

Question 38

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Distance

Answer

Time

Answer

Speed

Question 39

An object moving with constant velocity has:

Accepted Answer

Zero acceleration

Answer

Increasing acceleration

Answer

Constant acceleration

Answer

Decreasing acceleration

Question 40

Two objects are thrown vertically upward with the same initial speed but at different times. Which of the following is true?

Accepted Answer

Both objects will have the same speed when they return to their starting point.

Answer

The object thrown first will have a higher speed when it returns to its starting point.

Answer

The object thrown second will have a higher speed when it returns to its starting point.

Question 41

A car travels 50 km east and then 30 km west. What is the car's displacement?

Accepted Answer

20 km east

Answer

80 km east

Answer

80 km

Answer

20 km west

Question 42

The slope of a velocity-time graph represents:

Accepted Answer

Acceleration

Answer

Velocity

Answer

Displacement

Answer

Distance

Question 43

A car travels at a constant speed of 30 m/s for 10 seconds. How far does the car travel?

Accepted Answer

300 m

Answer

0.3 m

Answer

30 m

Answer

3 m

Question 44

An object starts from rest and accelerates at 5 m/s² for 4 seconds. What is its final velocity?

Accepted Answer

20 m/s

Answer

5 m/s

Answer

10 m/s

Answer

0 m/s

Question 45

A ball is thrown straight up with an initial velocity of 15 m/s. What is its velocity at the highest point?

Accepted Answer

0 m/s

Answer

-9.8 m/s

Answer

9.8 m/s

Answer

15 m/s

Question 46

A stone is dropped from a cliff and hits the ground after 3 seconds. Assuming no air resistance, what is the height of the cliff?

Accepted Answer

44.1 m

Answer

14.7 m

Answer

9.8 m

Answer

29.4 m

Question 47

A car accelerates uniformly from 10 m/s to 20 m/s in 5 seconds. What is its acceleration?

Accepted Answer

2 m/s²

Answer

10 m/s²

Answer

1 m/s²

Answer

5 m/s²

Question 48

A ball is thrown horizontally from a rooftop with an initial velocity of 10 m/s. If it takes 2 seconds to reach the ground, how far horizontally does it travel?

Accepted Answer

20 m

Answer

10 m

Answer

40 m

Answer

5 m

Question 49

A projectile is launched at an angle of 30 degrees above the horizontal with an initial speed of 20 m/s. What is the vertical component of its initial velocity?

Accepted Answer

10 m/s

Answer

17.32 m/s

Answer

20 m/s

Question 50

An object moves with a constant velocity of 5 m/s. Which of the following statements is true?

Accepted Answer

Its acceleration is zero.

Answer

Its displacement is zero.

Answer

Its acceleration is constant but not zero.

Answer

Its velocity is changing.

Question 51

A ball is thrown upward. Neglecting air resistance, which of the following remains constant during its flight?

Accepted Answer

Acceleration

Answer

Displacement

Answer

Velocity

Answer

Speed

Question 52

Two objects are dropped from the same height at the same time. One object is heavier than the other. Neglecting air resistance, which object will hit the ground first?

Accepted Answer

Both objects will hit the ground at the same time.

Answer

The heavier object will hit first.

Answer

The lighter object will hit first.

Answer

It depends on the shape of the objects.