Physics velocity time graphs

Question 1

What does a velocity-time graph represent?

Answer 1

It represents the velocity of an object as a function of time.

Question 2

True or False: A horizontal line on a velocity-time graph indicates constant velocity.

Answer 2

True

Question 3

What does the slope of a velocity-time graph represent?

Answer 3

The slope represents acceleration.

Question 4

Fill in the blank: A downward sloping line on a velocity-time graph indicates ________ acceleration.

Answer 4

negative

Question 5

What does an upward sloping line indicate on a velocity-time graph?

Answer 5

Positive acceleration.

Question 6

In a velocity-time graph, what does the area under the curve represent?

Answer 6

The displacement of the object.

Question 7

Multiple Choice: What does a straight line with a positive slope indicate?

Answer 7

Constant positive acceleration.

Question 8

What does a vertical line on a velocity-time graph indicate?

Answer 8

An instantaneous change in velocity, which is not possible in classical mechanics.

Question 9

True or False: A velocity-time graph can indicate when an object is at rest.

Answer 9

True

Question 10

What happens to the velocity of an object if the velocity-time graph shows a constant slope?

Answer 10

The object’s velocity changes at a constant rate.

Question 11

Fill in the blank: If the line on a velocity-time graph is flat at zero velocity, the object is _________.

Answer 11

at rest

Question 12

What type of motion does a curved line on a velocity-time graph represent?

Answer 12

Non-uniform acceleration.

Question 13

Multiple Choice: Which of the following indicates zero acceleration?

Answer 13

A horizontal line on a velocity-time graph.

Question 14

Short Answer: What is the formula for calculating acceleration from a velocity-time graph?

Answer 14

Acceleration = (change in velocity) / (change in time)

Question 15

True or False: The steeper the slope on a velocity-time graph, the greater the acceleration.

Answer 15

True

Question 16

What does a negative area under the curve in a velocity-time graph indicate?

Answer 16

Displacement in the opposite direction.

Question 17

Multiple Choice: If an object is moving with increasing speed, what will the velocity-time graph look like?

Answer 17

A line with a positive slope.

Question 18

Fill in the blank: The unit of velocity in a velocity-time graph is typically _________.

Answer 18

meters per second (m/s)

Question 19

What does a velocity-time graph with a line returning to the time axis indicate?

Answer 19

The object has returned to rest.

Question 20

True or False: A velocity-time graph can be used to determine the total distance traveled.

Answer 20

True

Question 21

What does a zero slope on a velocity-time graph signify?

Answer 21

Constant velocity.

Question 22

Multiple Choice: Which of the following represents deceleration?

Answer 22

A line with a negative slope.

Question 23

Fill in the blank: The formula for displacement from a velocity-time graph is _________.

Answer 23

Area under the curve

Question 24

What does a velocity-time graph with multiple segments indicate?

Answer 24

Changes in velocity and acceleration over time.

Question 25

True or False: The shape of the velocity-time graph can provide information about the forces acting on an object.

Answer 25

True

Question 26

Short Answer: How can you determine the acceleration from a curved line on a velocity-time graph?

Answer 26

By calculating the slope of the tangent at a given point.

Question 27

What type of motion does a velocity-time graph showing a straight line at a negative value indicate?

Answer 27

Constant negative velocity.

Question 28

Multiple Choice: If a velocity-time graph shows a line that increases and then decreases, what does this indicate?

Answer 28

The object speeds up and then slows down.

Question 29

Fill in the blank: The area of a triangle on a velocity-time graph can be calculated using the formula _________.

Answer 29

1/2 * base * height

Question 30

True or False: A velocity-time graph can show both positive and negative velocities.

Answer 30

True

Question 31

What does a sudden change in direction of the line on a velocity-time graph suggest?

Answer 31

A sudden change in velocity.

Question 32

Short Answer: What does a slope of zero in a velocity-time graph indicate about the object's motion?

Answer 32

The object is not changing its velocity.

Question 33

Multiple Choice: If a graph shows increasing velocity with a decreasing slope, what does this mean?

Answer 33

The object is accelerating at a decreasing rate.

Question 34

Fill in the blank: The velocity-time graph of an object in free fall will show a line that slopes _________.

Answer 34

upward

Question 35

True or False: A velocity-time graph can be used to predict future motion if the current trend continues.

Answer 35

True

Question 36

What does a velocity-time graph show when it is completely above the time axis?

Answer 36

The object is always moving in the positive direction.

Question 37

Multiple Choice: A velocity-time graph that oscillates rapidly indicates what kind of motion?

Answer 37

Rapidly changing velocity.

Question 38

Fill in the blank: The area under the curve of a velocity-time graph can be used to find the _________.

Answer 38

total displacement

Question 39

Short Answer: How can you tell if an object is accelerating from a velocity-time graph?

Answer 39

If the slope of the graph is not zero.

Question 40

True or False: The y-axis of a velocity-time graph represents time.

Answer 40

False

Question 41

What happens to the velocity of an object if the graph shows a line that approaches the x-axis?

Answer 41

The object's velocity is decreasing.

Question 42

Multiple Choice: An object moving in a circular path at constant speed will have what type of velocity-time graph?

Answer 42

A graph that does not exist; constant speed in a circular path means changing velocity.

Question 43

Fill in the blank: The slope of a line on a velocity-time graph can be calculated as _________.

Answer 43

(change in velocity) / (change in time)

Question 44

Short Answer: Why is the area under the curve important in a velocity-time graph?

Answer 44

It gives the total displacement of the object.