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Test - Speed, Distance, Time Acceleration

Last updated about 3 years ago

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Question 1

1.

At 0 seconds a car was moving at a speed of 90 m/s. After 5 seconds, its speed increased to 190 m/s. What was the acceleration during this time?

Equation:

Acceleration = velocity / time
A= (vf - vi)/t

Question 2

2.

Solve the following vector questions by adding or subtracting the vector arrows

Question 3

3.

Write a Paragraph.
A) What is acceleration?
B) What is negative and positive acceleration?
C) Explain one example of an object negatively accelerating and one example of an object positively accelerating. (4-6 sentences).

Question 4

4.

Categorize the following examples with the correct word(s): positive acceleration, negative acceleration, or no acceleration.

The F1 car turns in circles as it goes around the track
The goldfish swims at the same constant speed in a straight line
The ball increases speed as it rolls down the ramp
The bicyclist slowed down as it approached the yield sign

Positive acceleration
Negative acceleration

Question 5

5.

The speed of an object at a specific moment in time is called...

Constant speed

Instantaneous speed

Average speed

Velocity

Question 6

6.

A car drives at a speed of 30 mph in the first hour, then 20 mph in the second hour. 25 mph would be the cars _______________ speed.

constant speed

instantaneous speed

acceleration

average speed

Question 7

7.

Velocity, force, and acceleration are vector measurements because they have both magnitude and ________.

Time

Question 8

8.

A plane is traveling at a speed of 800 miles per hour from the airport to New York. New York is East from Los Angeles. Which of the following represents the planes velocity?

200 miles per hour

800 miles per hour East

250 miles per hour East

500 miles per hour West

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

What is constant speed?

Question 13

13.

Smith walked from his house to the store (Target). Then to the gym. Then back to his house.
A) Draw the displacement line from Smith's starting position to the store (Target).
B) Draw a total distance line in a different color to mark Smit's full travel.

Question 14

14.

Smith walked from his house to the store (Target) in a straight path. In this problem, displacement and distance are the same. Why is distance the same as displacement in this case? (1-2 full sentences)

Question 15

15.

Smith leaves his house and heads to the park. After the park Smith goes to the gym and then home. In this problem, the displacement is 0 m/s. Why is the displacement zero in this case? (1-2 full sentences)

Question 16

16.

Categorize the following examples with the correct word (s): velocity, speed, or acceleration.

The fish swam 20 miles/hour
The shark sped up and took a sharp turn to eat try to eat the man
Mr. Guesno traveled 20 m/s North to go to the store to meet Sair's friend Chamoy Face.

Speed
Velocity
acceleration

Question 17

17.

Other Answer Choices:

Return to start

stationary

slow and constant speed

fast and constant speed

increasing speed

Question 18

18.

Resolve the vector quantities
Make sure to include units

Question 19

19.

What did you learn so far: Choose one of the following topics and write a paragraph about your topic. Explain the important details about your your topic. Which topic did you choose? What is it? Are there calculations or special rules - if so, what are they? How is this topic useful and why is it important? (4-5 Sentences)

Topics:
Velocity
Force
Displacement
Acceleration
Reference Point

Question 20

20.

Which of the following objects is accelerating?

A car driving south at a constant speed of 45 mph.

A car driving southwest at a constant speed of 35 mph.

A car driving in a northwest at a constant speed of 35 mph.

Question 21

21.

What is happening in this graph from point A to B?

The object is not moving.

The object is decelerating.

The object is accelerating.

Question 22

22.

Which graph shows the object standing still?

C

D

A

Question 23

23.

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.

81 km/hr

24 m/s2

30 m/s

9 m/s2

Question 24

24.

The picture of the position vs. time graph shows an object that is...

accelerating/slowing down.

moving at a constant speed

accelerating/speeding up

Question 25

25.

A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?

-0.5 m/s2

-7.5 m/s2

7.5 mi//hr

-7.5 m/s

Question 26

26.

Which section of the graph shows constant velocity?

BC

GH

AB

Question 27

27.

How fast is this object going at 1 second?

30 cm/s

-40 cm/s

20 cm/s

Question 28

28.

Select the description of motion from A - B.

Speeding up away from the origin

Constant velocity towards the origin

Slowing down away from the origin

Question 29

29.

Describe the motion from B - C.

Constant velocity of 0 m/min

Constant velocity of 60 m/min

Standing still

Question 30

30.

At what point is the speed the greatest?

C-D

A-B

B-C

Question 31

31.

What is this graph showing?

Gradually speeding up

Constant speed of 1 m/s

At rest

Question 32

32.

A rocket started at rest. After initiating the launch, it had an acceleration of 1,000 m/s2. How long did it take to reach a speed of 56,700 m/s?
A= (vf - vi)/t

Question 33

33.

If a 24kg bird is pushed by the wind with a force of 76 N, how fast does the bird accelerate?
* N = kg x m/s2

Force = mass x acceleration
F = m x a

Question 34

34.

What is the acceleration of a 890 kg object pushed with a force of 9000 newtons?
* N = kg x m/s2

Force = mass x acceleration
F = m x a

Question 35

35.

Question 36

36.

A) What is the resulting net force amount and direction?
B) How do you know, rather explain how you determined this?

Question 37

37.

If the guy is pushing the box with a force of 25 N, and the friction force on the box is 15 N, what is the Net force he is pushing the box?

Question 38

38.

What is the Net force and what will happen in this scenario?

Question 39

39.

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

No forces are missing

The normal force from the table pushing the cup up.

The normal force form the table pushing the cup down.

Question 40

40.

Match description with free-body diagram.

A book is at rest on a tabletop.

An egg is free-falling from a nest in a tree. Neglect air resistance.

A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.

Question 41

41.

tension force

frictional force

spring force

normal force

Question 42

42.

Draw the free body diagrams for the three scenarios being presented.

Scenario one: An egg is free-falling from a nest in a tree. Neglect air resistance. Diagram the forces acting on the egg as it is falling.

Scenario two: A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.

Scenario three: A rightward force is applied to a book in order to move it across a desk with a rightward acceleration. Consider frictional forces. Neglect air resistance. Diagram the forces acting on the book.

Question 43

43.

What force is missing

thrust

Question 44

44.

What is the NET FORCE of this diagram?

23 N, right

17 N, right

12 N, up

Question 45

45.

Name the missing force...

frictional force

Question 46

46.

Name the missing force...

weight force

Question 47

47.

Name the missing force...

tension force

normal force

frictional force

Question 48

48.

Name the missing force...

tension force

applied force

frictional force

Question 49

49.

Question 50

50.

A hockey puck glides to the right across the ice at a constant speed. Ignore air resistance.
What is the direction of the APPLIED force?

No acceleration

Direction

Speed

Distance

Temperature

What are the units for velocity?

N

m

m/s2

kg x m/s

m/s

s

What are the units for acceleration?

m/s2

N

m

kg x m/s

s

m/s

What are the units for force?

m/s

m

kg x m/s

N

m/s2

s

A car driving in a circle at a constant speed of 35 mph.
Back

The object is moving at a constant speed.

B

not moving

EF

Constant velocity away from the origin

Accelerating

D-E

Acceleration

What is the NET Force?

5N to the right

5N

10N

15 N

10N to the left

20 N 

The friction force from the table pushing the cup left and right.

A flying squirrel is gliding (no wing flaps) from a tree to the ground at constant velocity. Consider air resistance.

gravity

tension

friction

normal

17 N, left

buoyant force

spring force

weight force

tension force

tension force

buoyant force

frictional force

spring force

applied force

normal force

Name the missing force...

normal force

tension force

friction force

spring force

weight force

Sith force

Jedi force

applied force

There is no applied force