Free Printable Semester 1 Exam (Honors)

1.

A force is a push or a pull.

a)

True

b)

False

2.

A car stopped at a red light has more momentum than a bike moving at 15 mph.

a)

True

b)

False

3.

In any collision the total speed is always constant.

a)

True

b)

False

4.

When one force is stronger than another, we say that the forces are balanced.

a)

True

b)

False

5.

Newton's second Law of Motion states that force equals mass times acceleration.

a)

True

b)

False

6.

When two forces act in the same direction they cancel each other out.

a)

True

b)

False

7.

When a large truck pushes a small car with a given force, the small car is applying an equal and opposite force on the truck.

a)

True

b)

False

8.

When an object is getting faster, it is called momentum.

a)

True

b)

False

9.

Speed is how fast or slow an object travels.

a)

True

b)

False

10.

Which of the following has the greatest momentum?

a)

a scurrying cockroach

b)

a parked semi-truck

c)

more information is needed

11.

<Scroll> Suppose you are traveling in a bus at highway speed on a nice summer day and the momentum of an unlucky bug is suddenly changed as it splatters onto the front window. Compared to the force that acts on the bug,

how much force acts on the bus?

a)

Bus experience more force than the bug.

b)

Bus experience less force than the bug.

c)

Bus and bug experience the same forces, but in opposite direction

12.

<Scroll> Suppose you are traveling in a bus at highway speed on a nice summer day and the momentum of an unlucky bug is suddenly changed as it splatters onto the front window.

Whose momentum changes more during the collision?

a)

The bus

b)

The bug

c)

Both are the same

13.

<Scroll> Suppose you are traveling in a bus at highway speed on a nice summer day and the momentum of an unlucky bug is suddenly changed as it splatters onto the front window.

Which undergoes the greater acceleration?

a)

The bus

b)

The bug

c)

Both are the same

14.

<Scroll> Suppose you are traveling in a bus at highway speed on a nice summer day and the momentum of an unlucky bug is suddenly changed as it splatters onto the front window.

Which will suffer greater damage from the collision?

a)

The bus

b)

The bug

c)

Both are the same

15.

What is the momentum of a 3 [kg] ball moving at the velocity of 5 [m/s] east?

a)

3 kg m/s east

b)

15 kg m/s west

c)

5 kg m/s west

d)

15 kg m/s east

16.

If an object has a mass of 20 kg and a velocity of 4 m/s, what is the momentum of the object?

a)

80 kgm/s

b)

4 kgm/s

c)

5 kgm/s

d)

.2 kgm/s

17.

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

a)

25 m/s

b)

375 m/s

c)

25 kg m/s

d)

375 kg m/s

18.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

What was the initial direction of motion of the car before the crash?

a)

Left

b)

Right

19.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

What was the final direction of motion of the car before the crash?

a)

Left

b)

Right

20.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

How does the velocity before the crash compare to the velocity after the crash?

a)

The car was initially going slow and then speed up after the crash

b)

The car was initially going slow and then stopped after the crash

c)

The car was initially going fast and then speed up after the crash

d)

The car was initially going fast and then slowed down after the crash

21.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

What was the change in velocity the car experienced during the crash?

a)

- 25 m/s

b)

25 m/s

c)

15 m/s

d)

10 m/s

22.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

Which equation should be used to determine the momentum of this car before the crash?

a)

p1i + p2i = p1f + p2f

b)

p = mv

c)

a =Δv/Δt

d)

F = ma

23.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

What was the initial momentum of the car?

a)

- 32,000 kg m/s

b)

- 8,000 kg m/s

c)

32,000 kg m/s

d)

- 40,000 kg m/s

24.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

What was the final momentum of the car?

a)

- 32,000 kg m/s

b)

- 8,000 kg m/s

c)

32,000 kg m/s

d)

- 40,000 kg m/s

25.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

What was the acceleration the car experienced during the crash?

a)

- 83 m/s²

b)

17 m/s²

c)

67 m/s²

d)

15 m/s²

26.

<Scroll> In 2016, the Bugatti Chiron was the highest-priced new car for sale in the US, at $2,998,000. A front barrier impact test is performed to determine the safety of this car during a crash. The purpose of this test is to determine vehicle's crashworthiness and occupant safety at the speed of 45 miles an hour or 20 meters per second

What was the force the car experienced during the crash?

a)

- 132,800 N

b)

5,333 N

c)

24,000 N

d)

116,000 N

27.

Two crash tests are done with the Bugatti Chiron (an expensive car). During these crash tests the force of each crash is measured as a function of time as the vehicle collides with a barrier. The data is graphed to produce the two graphs below.

Which graph indicates a greater max. force on the crash test dummy?

a)

b)

c)

Both graphs are equal in force

28.

Two crash tests are done with the Bugatti Chiron (an expensive car). During these crash tests the force of each crash is measured as a function of time as the vehicle collides with a barrier. The data is graphed to produce the two graphs below.

Which car crash produced greater acceleration on the crash test dummy?

a)

b)

c)

Both graphs are equal in acceleration

29.

Two crash tests are done with the Bugatti Chiron (an expensive car). During these crash tests the force of each crash is measured as a function of time as the vehicle collides with a barrier. The data is graphed to produce the two graphs below.

Which crash took longer duration of time to happen?

a)

b)

c)

Both graphs are equal in duration of crash time

30.

<Scroll> The manufacturer of the Bugatti Chiron challenges their engineers to develop a safer seatbelt. The engineers develop and test 3 different designs for effectiveness during a front-end barrier crash. The data table below summarizes the data.

Question: What is the relationship between stopping time and maximum force on the driver?

a)

As stopping time increases, maximum force on the driver increases

b)

As stopping time increases, maximum force on the driver decreases

c)

As stopping time decreases, maximum force on the driver decreases

d)

As stopping time increases, maximum force on the driver does not change.

31.

<Scroll> The manufacturer of the Bugatti Chiron challenges their engineers to develop a safer seatbelt. The engineers develop and test 3 different designs for effectiveness during a front-end barrier crash. The data table below summarizes the data.

Question: Which of the designs above provides the best improvement for safety?

a)

Design 1

b)

Design 2

c)

Design 3

d)

All are equal improvements

32.

<Scroll> The manufacturer of the Bugatti Chiron challenges their engineers to develop a safer seatbelt. The engineers develop and test 3 different designs for effectiveness during a front-end barrier crash. The data table below summarizes the data.

Question: Which of the three designs above would produce the smallest acceleration on a 50 kg crash test dummy?

a)

Design 1

b)

Design 2

c)

Design 3

d)

All are equal improvements

33.

<Scroll> The manufacturer of the Bugatti Chiron challenges their engineers to develop a safer seatbelt. The engineers develop and test 3 different designs for effectiveness during a front-end barrier crash. The data table below summarizes the data.

Question: A fourth design is proposed with a stopping time of 0.10 seconds. Predict the maximum force for this design.

a)

250,000 N

b)

100,000 N

c)

20,000 N

d)

10,000 N

34.

When the speed of an object is doubled, its momentum

a)

remains unchanged in accord with the conservation of momentum.

b)

doubles

c)

quadruples

d)

decreases

35.

Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of 6 m/s and 8 m/s respectively.

Which equation correctly represents the total momentum of this system?

a)

p_total=m₁v₁ + m₁v₁

b)

p_total=m₁v₁ - m₁v₁

c)

p_total=m₁v₁ + m₂v₂

d)

p_total=m₁v₁ ÷ m₂v₂

36.

In the collision investigation that we just completed. The cars were a model for...

a)

football field

b)

football game

c)

football players

d)

tackle

37.

What is the magnitude (size) and direction of the net force?

a)

15 N to the left

b)

15 N to the right

c)

1 N to the left

d)

1 N to the right

38.

Football #1 has a greater mass than football #2.

Which football will have greater acceleration when both are thrown with the same force in the same direction?

a)

Football 1

b)

Football 2

c)

they will have the same acceleration

d)

mass has no effect on acceleration

39.

Calculate the net force.

a)

600 N

b)

66.7 N

c)

.015 N

40.

If you increase the mass on an object, its acceleration

a)

decreases

b)

stays the same

c)

also increases

d)

stops

41.

A force of 90N is applied to each cart below, which one will accelerate the fastest?

a)

Cart 1

b)

Cart 2

c)

Cart 3

d)

Cart 4

42.

Which of the following best describes the pattern observed from the graph?

a)

Heavier car accelerates more than the lighter car

b)

Heavier car accelerates less than the lighter car

c)

Heavier car accelerates the same as a light car

43.

Two football players collide in a tackle. Which player will experience a greater force during the collision?

a)

Player in red (left)

b)

Player in white (right)

c)

Both experience equal forces

44.

Two football players collide in a tackle. Which player will experience a greater acceleration during the collision?

a)

Player in red (left)

b)

Player in white (right)

c)

Both experience equal accelerations

45.

Independent variable is best defined as:

a)

variable being measured

b)

variable being changed

c)

variable that is being controlled

d)

variable that is kept unchanged

46.

Dependent variable is best defined as:

a)

variable being measured

b)

variable being changed

c)

variable that is being controlled

d)

variable that is kept unchanged

47.

Anthony designed an experiment to answer the following question: How does the temperature of water affect the time it takes for a sugar cube to dissolve?

Which factor should Anthony CHANGE in his experiment with the sugar cubes?

a)

the amount of water he uses

b)

the size of the sugar cubes

c)

the temperature of the water

48.

What is the DEPENDENT variable (effect) in this experiment?
"Do tall people jump further than short people?"

a)

height of the person

b)

weight of the person

c)

how fast the person runs

d)

how far the person jumps

49.

A student draws a straight blue line on a position-time graph to represent the general shape of the position-time data for a toy.
What is this straight blue line called?

a)

Distance line

b)

Slope line

c)

Uniform line

d)

Line of best fit

50.

What is happening at E?

a)

Stationary

b)

Accelerating

c)

Fast steady speed; moving away from the starting position

d)

Steady speed; returning to start position

51.

What is the speed of this object at 3 seconds?

a)

5 m/s

b)

45 m/s

c)

5 s/m

d)

45 s/m

52.

Is this line an accurate line estimate of best fit for the data?

a)

Yes

b)

No

53.

Which of the following lines represents the line of best fit for the scatter plot?

a)

A

b)

B

c)

C

d)

D

54.

Molly is watching a wind-up toy walking across a table. She observes that the toy covers 1 cm every second for 10 seconds. Which graph do you think most closely represents the toy's journey across the table?

a)

A

b)

B

c)

C

d)

D

55.

This graph shows the motion of a bus for 5 minutes.

How far did the bus travel in 4 minutes?

a)

500 m

b)

800 m

c)

1000 m

d)

2000 m

56.

A 20 kg bike accelerates at 10 m/s2. what was the force

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

57.

When force is 20 N, mass is 5 kg, what is acceleration?
F = ma

a)

25 m/s/s

b)

5 m/s/s

c)

100 m/s/s

d)

4 m/s/s

58.

What is the average speed of the bus between 2 min and 5 min?

a)

500 m/min

b)

250 m/min

c)

5 m/min

d)

300 m/min

59.

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N s.

a)

-2.5

b)

-10

c)

-18

d)

-45

60.

Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for 3 seconds. Which cart experiences the greatest impulse?

a)

Cart B

b)

Cart A

c)

they are the same

61.

The impulse-momentum theorem states that

a)

the impulse on an object is equal to the change in momentum it causes

b)

the force on a moving object is equal to the magnitude of the impulse.

c)

the impulse on an object is greater than the change in momentum it causes

d)

the impulse on an object is less than the change in momentum it causes

62.

What happens when two forces act in the same direction?

a)

They cancel each other out.

b)

The stronger one prevails.

c)

Their strengths are added.

d)

Their sum divided by two is the total force.

63.

When are you undergoing an acceleration in a car?

a)

speed up

b)

slow down

c)

make turns

d)

All of the above

64.

Which country is Mrs Lyons from?

a)

Ireland

b)

Russia

c)

Mexico

d)

Norway

65.

You hit a wall with a stick. The equal but opposite reaction is _____

a)

the wall pushes against you

b)

the stick pushes against you

c)

you push against the stick

d)

the wall pushes against the stick

Semester 1 Exam (Honors)

Total questions: 65

Worksheet time: 1hrs 4mins

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