Motion in One Dimension: Master the Fundamentals of Motion

Question 1

A velocity-time graph for a moving object is a horizontal line. What does this indicate about the object's motion?

Accepted Answer

The object is moving with constant velocity.

Answer

The object is moving with constant acceleration.

Answer

The object is at rest.

Answer

The object is moving with decreasing velocity.

Question 2

A car travels 120 km in 2 hours. What is its average speed in km/h?

Accepted Answer

60 km/h

Answer

40 km/h

Answer

80 km/h

Answer

100 km/h

Question 3

An object with constant velocity has:

Accepted Answer

Zero acceleration

Answer

Changing speed

Answer

Changing direction

Question 4

The displacement-time graph of an object with constant velocity will be a:

Accepted Answer

Straight horizontal line

Answer

Straight line with non-zero slope

Answer

Parabola

Question 5

Which of the following is NOT a unit of speed?

Accepted Answer

m/s²

Answer

m/s

Answer

km/h

Answer

mi/h

Question 6

The slope of a velocity-time graph represents:

Accepted Answer

Acceleration

Answer

Velocity

Answer

Displacement

Question 7

Which of the following is a scalar quantity?

Accepted Answer

Displacement

Answer

Acceleration

Answer

Force

Question 8

An object in free fall is subject to:

Accepted Answer

Constant acceleration

Answer

Zero acceleration

Answer

Varying acceleration

Question 9

The acceleration due to gravity on Earth is approximately:

Accepted Answer

9.8 m/s²

Answer

16 ft/s²

Answer

32 km/h/s

Answer

60 mi/h/s

Question 10

The position-time equation for an object moving with constant velocity is:

Accepted Answer

x = v₀t

Answer

x = v₀t + ½at²

Answer

x = ½v₀²t

Answer

x = at³

Question 11

Which of the following is NOT a unit of velocity?

Accepted Answer

m/s^2

Answer

m/s

Answer

mi/hr

Answer

km/min

Question 12

A car travels at a constant speed of 60 kilometers per hour for 2 hours. How many kilometers does the car travel?

Accepted Answer

120 km

Answer

30 km

Answer

60 km

Question 13

An object moves with a constant acceleration of 2 m/s². Which graph best represents the object's displacement over time?

Accepted Answer

Straight line with a positive slope

Answer

Straight line with a negative slope

Answer

Parabola

Answer

Circle

Question 14

An object is displaced from position A to position B in a straight line. Which of the following equations represents the displacement?

Accepted Answer

Displacement = B - A

Answer

Displacement = A + B

Answer

Displacement = A * B

Answer

Displacement = B / A

Question 15

A car accelerates from rest at a constant rate of 10 m/s². Calculate its velocity after 5 seconds.

Accepted Answer

20 m/s

Answer

10 m/s

Answer

50 m/s

Answer

100 m/s

Question 16

Which of the following graphs represents an object at rest?

Accepted Answer

A horizontal straight line

Answer

A straight line with a positive slope

Answer

A straight line with a negative slope

Answer

A parabola

Question 17

Which of the following forces causes planets to orbit the Sun?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Electromagnetism

Question 18

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Distance

Answer

Speed

Answer

Mass

Question 19

A roller coaster car moves at a constant speed of 20 m/s. Calculate its displacement after 10 seconds.

Accepted Answer

100 m

Answer

10 m

Answer

20 m

Answer

200 m

Question 20

Which of the following is a unit of acceleration?

Accepted Answer

m/s²

Answer

m/s

Answer

km/h

Answer

mph

Question 21

An object's displacement refers to the:

Accepted Answer

Change in its position

Answer

Change in its velocity

Answer

Distance traveled

Answer

Speed at a specific point in time

Question 22

Identify the graph that represents an object moving with constant acceleration.

Accepted Answer

A straight line with increasing slope

Answer

A parabolic curve

Answer

A straight line with decreasing slope

Answer

A horizontal line

Question 23

Identify the unit of measurement for acceleration.

Accepted Answer

m/s^2

Answer

m/s

Answer

km/h

Answer

mph

Question 24

An object moves with a constant acceleration. Its velocity-time graph will be:

Accepted Answer

A straight line with positive slope

Answer

A straight line with negative slope

Answer

A parabola

Answer

A circle

Question 25

Which of the following is a vector quantity?

Accepted Answer

Displacement

Answer

Speed

Answer

Mass

Answer

Temperature

Question 26

An object is moving with non-uniform acceleration. Which kinematic equation can you use to determine its velocity at any given time?

Accepted Answer

v = v₀ + at

Answer

d = v₀t + ½at²

Answer

a = (v - v₀) / t

Answer

v² = v₀² + 2a(d - x₀)

Question 27

Prove the kinematic equation **v^2 = u^2 + 2as** by clearly labeling the variables used in your derivation and stating any assumptions made.

Accepted Answer

Step 1: v = u + at
Step 2: s = ut + 1/2 at^2
Step 3: v^2 = u^2 + 2as

Answer

Step 1: v = u + at
Step 2: s = ut + at^2
Step 3: v^2 = u^2 + as

Answer

Step 1: v = u + 1/2 at
Step 2: s = ut + 1/2 at^2
Step 3: v^2 = u^2 + as

Answer

Step 1: v = u + at
Step 2: s = 1/2 ut + at^2
Step 3: v^2 = u^2 + 2as

Question 28

An object moves in a straight line at a constant speed. Which graph best shows how the object's position changes over time?

Accepted Answer

A straight line with a constant slope

Answer

A straight line with a changing slope

Answer

A curved line with a changing slope

Answer

A curved line with a constant slope

Question 29

An object travels with a constant velocity of 10 m/s. What is its acceleration?

Accepted Answer

0 m/s²

Answer

10 m/s²

Answer

5 m/s²

Answer

-10 m/s²

Question 30

A car starts from rest and accelerates at a constant rate of 2 m/s² for 10 seconds. What is its velocity after 10 seconds?

Accepted Answer

20 m/s

Answer

10 m/s

Answer

0 m/s

Answer

40 m/s

Question 31

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

Accepted Answer

Displacement-time graph with a straight line with a positive slope

Answer

Velocity-time graph with a parabola

Answer

Acceleration-time graph with a constant slope

Answer

Position-time graph with a sinusoidal curve

Question 32

What is the acceleration of an object thrown vertically upward at its highest point?

Accepted Answer

-9.8 m/s² (downward)

Answer

9.8 m/s² (upward)

Answer

0 m/s²

Question 33

What is the slope of a velocity-time graph representing an object with constant acceleration?

Accepted Answer

Acceleration

Answer

Velocity

Answer

Displacement

Answer

Time

Question 34

A car travels 100 km in 2 hours and then an additional 50 km in 1 hour. What is its average speed for the entire trip?

Accepted Answer

80 km/h

Answer

100 km/h

Answer

50 km/h

Answer

150 km/h

Question 35

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Distance

Answer

Time

Answer

Mass

Question 36

A car travels 30 meters east and then 40 meters west. What is the car's displacement?

Accepted Answer

10 meters west

Answer

70 meters west

Answer

70 meters east

Answer

10 meters east

Question 37

An object starts from rest and accelerates uniformly at 2 m/s². What is its velocity after 5 seconds?

Accepted Answer

10 m/s

Answer

2.5 m/s

Answer

5 m/s

Answer

20 m/s

Question 38

Which of the following is NOT a unit of speed?

Accepted Answer

m/s²

Answer

km/h

Answer

mi/hr

Answer

cm/s

Question 39

The slope of a position-time graph represents:

Accepted Answer

Velocity

Answer

Displacement

Answer

Acceleration

Answer

Distance

Question 40

An object moving at a constant velocity has:

Accepted Answer

Zero acceleration

Answer

Constant acceleration

Answer

Increasing acceleration

Question 41

A ball is thrown vertically upwards. What is its acceleration at the highest point?

Accepted Answer

9.8 m/s² downwards

Answer

Dependent on the initial velocity

Answer

9.8 m/s² upwards

Answer

0 m/s²

Question 42

Which of the following is an example of motion with constant acceleration?

Accepted Answer

A freely falling object

Answer

A train coming to a stop

Answer

A ball rolling on a horizontal surface

Answer

A car moving at a constant speed

Question 43

The area under a velocity-time graph represents:

Accepted Answer

Displacement

Answer

Acceleration

Answer

Time

Answer

Velocity

Question 44

A car travelling at 20 m/s decelerates uniformly to rest in 5 seconds. What is the car's deceleration?

Accepted Answer

4 m/s²

Answer

10 m/s²

Answer

5 m/s²

Answer

2 m/s²

Question 45

Two objects are thrown vertically upwards with different initial velocities. Neglecting air resistance, which quantity will be the same for both objects?

Accepted Answer

Acceleration due to gravity

Answer

Time of flight

Answer

Maximum height reached

Question 46

An object travels 100 meters in 20 seconds. What is the object's average velocity?

Accepted Answer

5 m/s

Answer

20 m/s

Answer

2.5 m/s

Answer

10 m/s

Question 47

An object is initially at rest. It then accelerates at a constant rate of 2 m/s^2 for 10 seconds. What is the object's final velocity?

Accepted Answer

20 m/s

Answer

30 m/s

Answer

40 m/s

Answer

10 m/s

Question 48

A car travels 100 miles in 2 hours. Its average speed is:

Accepted Answer

50 mph

Answer

75 mph

Answer

25 mph

Question 49

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Temperature

Answer

Mass

Answer

Time

Question 50

A particle moves along a straight line. The particle's position as a function of time is given by the equation: x = 2t^2 + 5t + 3. What is the particle's velocity at t = 2 s?

Accepted Answer

13 m/s

Answer

5 m/s

Answer

11 m/s

Answer

8 m/s

Question 51

A car is traveling along a curved road. The car's velocity is constant, but its acceleration is nonzero. What is the direction of the car's acceleration?

Accepted Answer

Toward the center of the curve

Answer

Away from the center of the curve

Answer

Perpendicular to the velocity vector

Answer

Parallel to the velocity vector