Motion: Understanding Displacement, Velocity, and Acceleration

Question 1

Which formula calculates acceleration?

Accepted Answer

Velocity / Time

Answer

Displacement / Time

Answer

Time / Velocity

Answer

Distance / Time

Question 2

An object moves 10 meters east and then 5 meters west. Calculate its net displacement.

Accepted Answer

5 meters east

Answer

10 meters east

Answer

15 meters west

Answer

5 meters west

Question 3

Which of the following is not a unit of acceleration?

Accepted Answer

km/s

Answer

ft/s^2

Answer

mi/h^2

Answer

m/s^2

Question 4

An object moving in a circular path experiences which of the following?

Accepted Answer

Centripetal acceleration

Answer

Tangential acceleration

Answer

Gravitational acceleration

Answer

Radial acceleration

Question 5

Which physical quantity is a vector quantity?

Accepted Answer

Velocity

Answer

Temperature

Answer

Mass

Question 6

Identify the standard international unit of velocity.

Accepted Answer

m/s

Answer

km/h

Answer

mph

Answer

ft/s

Question 7

An object is traveling at a consistent speed of 10 m/s. What is its acceleration?

Accepted Answer

0 m/s²

Answer

10 m/s²

Answer

-10 m/s²

Answer

5 m/s²

Question 8

Select the graph that best represents the position-time graph of an object moving at constant speed.

Accepted Answer

A straight line with a positive slope.

Answer

A straight line with a negative slope

Answer

A parabola

Answer

A circle

Question 9

Which equation accurately describes the relationship among displacement, velocity, and time?

Accepted Answer

d = v*t

Answer

a = d/t

Answer

t = v/d

Answer

v = d*t

Question 10

An object's displacement is a vector quantity that represents the change in its:

Accepted Answer

position

Answer

velocity

Answer

acceleration

Answer

speed

Question 11

The average velocity of an object is defined as:

Accepted Answer

the displacement divided by the time interval

Answer

the average of the initial and final velocities

Answer

the velocity at the initial time

Answer

the velocity at the final time

Question 12

The SI unit of acceleration is:

Accepted Answer

meters per second squared (m/s²)

Answer

feet per second squared (ft/s²)

Answer

miles per hour squared (mph²)

Answer

kilometers per hour squared (km/h²)

Question 13

The velocity-time graph of an object moving with constant acceleration is:

Accepted Answer

a straight line with a constant slope

Answer

a parabola

Answer

a hyperbola

Answer

an exponential curve

Question 14

Which of the following is a vector quantity?

Accepted Answer

velocity

Answer

distance

Answer

speed

Answer

time

Question 15

An object thrown vertically upward will reach its maximum height when its:

Accepted Answer

velocity becomes zero

Answer

acceleration becomes zero

Answer

displacement becomes zero

Answer

force becomes zero

Question 16

The trajectory of an object thrown horizontally at ground level is:

Accepted Answer

a parabola

Answer

an ellipse

Answer

a circle

Answer

a straight line

Question 17

The force that keeps the planets in orbit around the Sun is:

Accepted Answer

gravitational force

Answer

electrostatic force

Answer

frictional force

Answer

magnetic force

Question 18

The momentum of an object is defined as the product of its:

Accepted Answer

mass and velocity

Answer

force and time

Answer

displacement and acceleration

Answer

mass and acceleration

Question 19

In an isolated system, the total momentum of all the objects involved:

Accepted Answer

remains constant

Answer

increases

Answer

decreases

Question 20

Which of the following is the standard international unit of displacement?

Accepted Answer

Meter (m)

Answer

Kilometer (km)

Answer

Centimeter (cm)

Answer

Mile (mi)

Question 21

What is the formula used to calculate velocity?

Accepted Answer

Velocity = Displacement / Time

Answer

Displacement = Velocity / Time

Answer

Acceleration = Velocity / Time

Answer

Time = Displacement / Velocity

Question 22

Which of the following is the standard international unit of acceleration?

Accepted Answer

m/s²

Answer

m/s

Answer

km/hr

Question 23

A ball is dropped from a height of 12 meters and reaches the ground in 1.5 seconds. What is its acceleration due to gravity?

Accepted Answer

9.8 m/s²

Answer

4.9 m/s²

Answer

19.6 m/s²

Answer

14.7 m/s²

Question 24

Which of the following is a vector quantity?

Accepted Answer

Displacement

Answer

Speed

Answer

Temperature

Answer

Mass

Question 25

What is the relationship between displacement and velocity?

Accepted Answer

Velocity represents the rate of change of displacement.

Answer

Velocity and displacement are always constant.

Answer

Velocity and displacement are inversely proportional.

Answer

Displacement represents the rate of change of velocity.

Question 26

A car travels at a constant velocity of 90 km/h for 3 hours. What distance does it cover?

Accepted Answer

270 kilometers

Answer

180 kilometers

Answer

90 kilometers

Answer

540 kilometers

Question 27

Which of the following graphs represents the motion of an object moving with constant velocity?

Accepted Answer

A straight horizontal line

Answer

A curve with a positive slope

Answer

A sinusoidal curve

Answer

A curve with a negative slope

Question 28

Which of the following is a quantity that has both magnitude and direction?

Accepted Answer

Velocity

Answer

Time

Answer

Temperature

Answer

Mass

Question 29

Which of the following graphs represents an object moving at a constant acceleration?

Accepted Answer

A graph of velocity versus time with a straight, non-horizontal line.

Answer

A graph of displacement versus time with a straight, horizontal line.

Answer

A graph of velocity versus time with a curved line.

Answer

A graph of acceleration versus time with a straight, horizontal line.

Question 30

Which of the following is a unit commonly used to measure acceleration?

Accepted Answer

meters per second squared (m/s²)

Answer

meters per second (m/s)

Answer

kilometers per hour (km/h)

Answer

Newtons (N)

Question 31

Which of the following forces is responsible for causing an object to accelerate?

Accepted Answer

Net force

Answer

Gravitational force

Answer

Frictional force

Answer

Normal force

Question 32

A car travels 50 kilometers in 1 hour. It then travels another 50 kilometers in the next 30 minutes. What is the car's average speed for the entire trip?

Accepted Answer

66.7 kilometers per hour (approximately)

Answer

40 kilometers per hour

Answer

80 kilometers per hour

Question 33

Which of the following scenarios best exemplifies projectile motion?

Accepted Answer

A baseball thrown from a pitcher's mound to home plate.

Answer

A book sitting on a table.

Answer

A person walking at a constant speed.

Answer

A car driving on a straight road.

Question 34

A ball is thrown vertically upward with an initial velocity of 20 m/s. What is its maximum height?

Accepted Answer

20.4 m

Answer

10.2 m

Answer

30.6 m

Answer

40.8 m

Question 35

A car accelerates from rest at a rate of 5 m/s^2 for 10 seconds. What is its final velocity?

Accepted Answer

50 m/s

Answer

25 m/s

Answer

75 m/s

Answer

100 m/s

Question 36

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

Accepted Answer

31.3 m/s

Answer

46.9 m/s

Answer

62.6 m/s

Answer

15.6 m/s

Question 37

A car travels 60 miles in one hour and then 40 miles in the next hour. What is its average speed for the entire trip?

Accepted Answer

50 mph

Answer

60 mph

Answer

70 mph

Answer

40 mph

Question 38

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

Accepted Answer

0 m/s

Answer

22.5 m/s

Answer

15 m/s

Answer

7.5 m/s

Question 39

A car travels 100 miles in 2 hours. What is its average speed?

Accepted Answer

50 miles per hour

Answer

25 miles per hour

Answer

100 miles per hour

Answer

200 miles per hour

Question 40

A ball is thrown straight up in the air. What is its acceleration at the highest point of its trajectory?

Accepted Answer

9.8 m/s² downwards

Answer

9.8 m/s² upwards

Answer

0 m/s²

Answer

It depends on the initial velocity.

Question 41

A car traveling at a constant speed of 60 mph suddenly brakes to a stop. What is the direction of its acceleration?

Accepted Answer

Opposite to the direction of motion

Answer

It depends on the braking force.

Answer

In the same direction as motion

Answer

Zero acceleration

Question 42

A runner completes a 400-meter race in 50 seconds. What is their average velocity?

Accepted Answer

8 m/s

Answer

2000 m/s

Answer

400 m/s

Answer

50 m/s

Question 43

A ball is thrown horizontally from a cliff. Which of the following statements is true about its motion?

Accepted Answer

The ball accelerates downwards due to gravity.

Answer

The ball travels at a constant speed.

Answer

The ball's horizontal velocity is affected by gravity.

Answer

The ball follows a straight line path.

Question 44

A cyclist travels 10 kilometers east and then 5 kilometers south. What is their total displacement?

Accepted Answer

Approximately 11.2 kilometers at 26.6 degrees south of east

Answer

15 kilometers

Answer

5 kilometers

Question 45

A car starts from rest and accelerates uniformly to a speed of 20 m/s in 5 seconds. What is its acceleration?

Accepted Answer

4 m/s²

Answer

100 m/s²

Answer

0.25 m/s²

Answer

20 m/s²

Question 46

Which of the following is NOT a unit of acceleration?

Accepted Answer

meters per second (m/s)

Answer

kilometers per hour squared (km/h²)

Answer

meters per second squared (m/s²)

Answer

feet per second squared (ft/s²)

Question 47

A ball is dropped from a height of 10 meters. Assuming no air resistance, how long does it take to hit the ground?

Accepted Answer

Approximately 1.43 seconds

Answer

5 seconds

Answer

2 seconds

Answer

10 seconds

Question 48

An object moves 20 meters east and then 10 meters west. What is the object's net displacement?

Accepted Answer

10 meters east

Answer

10 meters west

Answer

20 meters west

Answer

30 meters east

Question 49

An object is thrown upward with an initial velocity of 20 meters per second. What is the object's velocity at the highest point of its trajectory?

Accepted Answer

0 meters per second

Answer

-20 meters per second

Answer

10 meters per second

Answer

20 meters per second

Question 50

An object is moving in a circle with a constant speed of 5 meters per second. What is the object's acceleration?

Accepted Answer

Centripetal acceleration towards the center of the circle

Answer

Zero acceleration

Answer

Tangential acceleration along the path of the circle

Question 51

A car accelerates from rest at a constant rate of 2 meters per second squared for 10 seconds. What is the car's final velocity?

Accepted Answer

20 meters per second

Answer

10 meters per second

Answer

5 meters per second

Answer

30 meters per second

Question 52

An object is moving with a velocity of 10 meters per second. If the object's acceleration is increased by 2 meters per second squared, what is the object's velocity after 5 seconds?

Accepted Answer

25 meters per second

Answer

15 meters per second

Answer

35 meters per second

Answer

5 meters per second

Question 53

A projectile is launched at an angle of 45 degrees to the horizontal. Which of the following factors does not affect the projectile's range?

Accepted Answer

Mass of the projectile

Answer

Gravitational acceleration

Answer

Angle of launch

Answer

Launch velocity

Question 54

A car travels around a circular track of radius 50 meters at a constant speed of 10 meters per second. What is the car's centripetal acceleration?

Accepted Answer

2 meters per second squared

Answer

10 meters per second squared

Answer

5 meters per second squared

Question 55

An object is dropped from a height of 100 meters. What is the object's speed just before it hits the ground?

Accepted Answer

44.3 meters per second

Answer

0 meters per second

Answer

20 meters per second

Answer

100 meters per second