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Name: ___Demauri Simpson_______________________________________ M3.3 Laboratory Report 5 Worksheet
PhET Simulation: Friction
Instructions
Before you start to work on this worksheet, review the M3.3 Laboratory Report 9 Instructions
Submit your completed work to the M3.3 Laboratory Report 5 dropbox. See the Schedule and Course Rubrics in the Syllabus Module for due dates and grading information.
Objectives:
1. To understand one relationship between frictional force and normal force. 2. To calculate frictional force.
3. To determine the coefficients of static and kinetic friction.
Pre-Lab Activities:
1.
Open the simulation using the link to PhET Interactive Simulations at the University of Colorado Boulder:
https://phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion-
basics_en.html
2.
Explore the four options available in the simulator
3.
In this laboratory investigation you will be using the Friction tab.
Part 1: KINETIC FRICTION
CLICK FORCES, SUM OF FORCES, VALUES, and MASSES
For each mass in the chart, push the object until it is moving fast then let go. The friction force by the red arrow will be your kinetic friction value (your first object should be 94 N)
Solve for the Force of Gravity (weight) for each mass Object(s)
Mass (kg)
Force of Gravity (N)
Fg=m(9.8 m/s
2
)
Normal Force (N)
Cancels gravity in this situation so same value as Fg Kinetic Friction Force (N)
1 box
50
490
490
94
Man
80
784
784
150
Girl + 1 Box
90
882
882
169
Trash can
100
980
980
188
Man + 1 box
130
1274
1274
244
Box + trashcan
150
1470
1470
281
Man + trashcan
180
1764
1764
338
Refrigerator
200
1960
1960
x
IF THE OBJECT DOES NOT MOVE EVEN WITH 500 N of force, place an X through the data as it means we cannot measure the kinetic friction (not moving) or find the static friction’s maximum value.
Open the graphical analysis and plot the graph Kinetic Friction vs. Normal Force
Record the m (slope) and b (y-int) value Insert the plotted graph in the lab report
The slope here represents our coefficient of friction (µ)
which you can think of as a measure of the stickiness between two surfaces. It is a measure of the ratio of friction and normal force. The subscript ‘k’ next to the µ indicates we are talking about kinetic friction’s coefficient, and an object that is in motion. The formula from the graph is:
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Related Questions
Please give me the answers for this i been looking at this for a hour and my head hurts
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Part 2
Set up a spreadsheet solution to this problem. This will require that you derive one
formula to express the relationship between the friction coefficient, the spring constant,
and the spring compression; and a second formula to find the cost of using different slide
and spring types. Set up your spreadsheet as shown below. You can fill in the
"Acceptable?" column manually, rather than using a formula. Turn in a copy of your
spreadsheet/Matlab work
(solve for $)
Friction Spring Constant Spring Compression
M
k
0.1
0.1
0.1
0.2
0.2
0.2
50
100
150
50
100
150
4
Part 3
Your boss has decided to look at a second option. The spring mechanism will be
replaced by a drop box. After leaving the slide, the blocks will travel 5 horizontal feet
through the air and pass through a hole into the drop box. Using the slide you selected
above, determine how far below the slide (h) to place the hole in the drop box.
Yo = 5.2017/5
BLADE
2
RAMPE SLIDE
8⁰
SLIDE
Acceptable?
(Yes or No)
$'
Cost
51
In
DROP…
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Handwritten solution required.
Strictly don't use chatgpt.
If you use chatgpt ,I will report the answer for sure.
Mechanical engineering dynamics.
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Hello please show your correct and complete solution with schematic diagram and assumptions. Thanks ASAP!
Subject: Mechanical Engineering
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Rate positive for fast answer - please help me solve all parts of this mech. engineering problem
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C)If both cyclists have 170 mm cranks on their bikes, what will be the mechanical advantage (considering only the movement of the feet with a constant force for walking and riding), in percent, that each rider will have achieved over walking the same distance? (This can
be found by dividing the distance wallked by the distance the feet move in riding.)
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True Story! The 1998-1999 Mars Climate Orbiter mission was declared a total loss in1999 as there was a unit conversion mismatch error between Lockheed Martin and NASA. Themismatch was in the thruster force units. NASA used the SI system which called forNewton-Seconds (4.45 times as large) of thrust and Lockheed Martin used Pound-Force Seconds.Calculations placed the Orbiter at 68 miles from the surface as it went into orbit, but it waswithin 57 km of the surface after the breaking maneuver. Any distance from the surface lessthan 50 miles would have caused the Orbiter to crash.a. What was the actual distance of the Orbiter from the surface in miles?b. In percentage, how far off from the calculated 68 miles was the Orbiter?
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The coefficient of friction is 0.14.
1) My Rube Goldberg device
The stage I will assess is the concept that I have a wet dog food can weighing 13
oz (368g) set on its side that will be sitting on the edge of two books measuring
3.5 inches (8.89 cm) high. The can is resting against a piece of cardboard holding
it in place. Once I move the cardboard, the can will roll down a plastic inclined
file folder measuring the same 3.5 inches at its highest point, traveling 11.5
inches across with a 14-degree inclined slope. The first dog food can will hit a
second can waiting for it at the bottom of the slope, on a flat surface.
474
CAS!!
L
A. Initial Velocity: Calculate the initial velocity of the object in the selected
step. Explain what the object's initial velocity tells you about the object's
behavior.
B. Velocity and Force Calculations: Calculate the change in velocity that
would be observed based on kinematics and force principles. Then use
Newton's Second Law to calculate the force acting…
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Use my ps5 slim for this task
96mm (height)x 358mm (width)x 216mm(depth)
Or in inches
14.1 inches high, 8.5 inches deep and 3.8 inches wide.
Weight is 7 pounds.
Include all units and calculations. Thanks
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Per Bartleby honor code only 3 subparts of a question can be answered per submission. I have submitted 10, 11, 12, and 13 previously. Please answer 14, 15, 16
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Please solve the question on the sheet and get a clear picture and submit the picture.
thankyou
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A robot is used for loading and unloading of parts to automated flexible machines. Loading
time is 1 minute; unloading time is 1.5 minutes; machining time 15 minutes; Robot travel time
between the machines including the inspection time is 3 minutes. Cost of robot C,=30 TL/Hour;
cost of machines C2=40 TL/Hour. How many machines (integer number) should be assigned
to the robot so that the total robot and machine costs per cycle are minimized?
8 -
176
a)
4
b)
3
c)
2
d)
e)
6.
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Points: 0 of 6
Save
Suppose that you are stranded-your rocket engine has failed-on an asteroid of diameter 3 miles, with density equal to that of the earth with radius 3,960 miles If
you have enough spring in your legs to jump 4.9 feet straight up on earth while wearing your space suit, can you blast off from this asteroid using leg power alone?
ft
Note that the escape velocity on Earth is about 36,680
Select the correct choice below and fill in the answer box to complete your choice.
(Type integers or decimals rounded to two decimal places as needed.)
ft
ft
is less than your initial velocity when jumping,
O A. Yes, you can blast off because the escape velocity of the asteroid,
ft
is greater than your initial velocity when jumping.
O B. No, you cannot blast off because the escape velocity of the asteroid,
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Task 5
Produce specific Steady Flow Energy Equation based on the given and stated assumptions in the above problem.
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|Read the problem statement and the solution provided. There may or may not be one or more
mistakes in the solution. Go through the solution carefully and then do the following.
1. State if the solution is correct or incorrect
2. If the solution is incorrect, identify what is the mistake in the solution. Be specific and succinct.
3. If the solution is incorrect, provide the final solution with appropriate steps. You can make the
corrections directly on a copy of this provided solution, but make sure you clearly explain the
corrections.
Problem: Consider fully-developed flow of water through a 24-cm diameter tube. The water comes in at
20°C and exits at 40°C. The surface temperature of the tube is uniform at 60°C. The water flow has a
mass flow rate of 0.24 kg/s. What is the average convection coefficient of the water flow?
Solution: We have T, = 60°C, Tmi = 20°C, Tmo = 40°C, So, the bulk-mean temperature is Tm = 30°C.
The appropriate properties are: u = 7.98 × 10-4 kg/ms;
k = 0.615…
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Part A- Finding the het friction force
Learning Goal:
To set up and evaluate the equations of motion in a
normal-tangential coordinate system.
The car is traveling at a speed of 62.5 ft/s, which is increasing at a rate of 4.55 ft/s? , and the curvature of the road is
p = 710 ft. What is the magnitude of the net frictional force that the road exerts on the tires?
Express your answer to three significant figures and include the appropriate units.
A car of weight 3850 lb is traveling around a curve
of constant curvature p.(Figure 1)
• View Available Hint(s)
Figure
1 of 1>
F =
Value
Units
Submit
Part B - Finding the maximum allowable acceleration
2080 lb. If the car is traveling at 64.5 ft/s and the
Suppose that the tires are capable of exerting a maximum friction force
curvature of the road is p = 410 ft , what is the maximum tangetial acceleration that the car can have without sliding?
Express your answer to three significant figures and include the appropriate units.
> View Available…
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ADAMSON UNIVERSITY
College of Engineering
Civil Engineering Department
Answer Sheet
Name:
Date:
Course:
Time:
4m
4m
100 t
200 kat
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Recall the discussion on spacecraft from the chapter opener. The following problems consider a rocket launch from Earth’s surface. The force of gravity on the rocket is given by F(d)=−mk/d2, where m is the mass of the rocket, d is the distance of the rocket from the center of Earth, and k is a constant.
172.
As the rocket travels away from Earth’s surface, there is a distance D where the rocket sheds some of its mass, since it no longer needs the excess fuel storage. We can write this function as F(d)=⎨(−m↓1 k / d^2) if d < D
(−m↓2 k / d^2) if d ≥ D
Is there a D value such that this function is continuous, assuming m1≠m2?
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Please answer task 1
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O Web C x
k GECO0 X
O Course X
O Assign X
O Web C x
k MATHO X
Assign X
O Discus: X
O Quizze
O Syllabu x
O Grade: x
om/courses/31937/assignments/1001318?module_item_id=2616268
tructions:
ollow the prescribed format by the course policy
pu have 48 hours to answer and submit the solution.
olve the problem with complete and detailed solution.
7x+14]
-x
1.
What value of x satisfies the matrix equation
(2 points)
3x-2
x+8
2.
Solve for x and y in the matrix equation below:
3 -4
y
x-y 4
2] [10
-1]
3 -1]
%3D
(3 Points)
-1
[2 -3]
x -8
2
6х -9
-3 3х
|1 -2
2
and
the matrix 3(A +2B) is equal to? (3 points)
3.
For matrices A=| 0
%3D
7 -2
3 -1
[2 -3
The matrix product
2 4 ?(2 points)
4.
0 1
1
4,
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Assignment 1: TIME VALUE OF MONEY
Objective: To further understand the concept of the time value of money.
INSTRUCTIONS:
In each problem,
a. Translate data given in problems into their respective graphical representations - i.e. draw
the correct cash flow diagram.
b. Write down all pertinent given information or data on your paper.
c. Calculate answers correctly.
3. A certain college graduate, Sallie Evans, has $24,000 in student-loan debt at the end of
her college career. The interest rate on this debt is 0.75% per month. If monthly payments
on this loan are $432.61, how many months will it take for Sallie to repay the entire loan?
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Don't Use Chat GPT Will Upvote And Give Handwritten Solution Please
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PLEASE ANSWER NUMBER 1 MECH 221: PLEASE GIVE DETAILED SOLUTIONS AND CORRECT ANSWERS. I WILL REPORT TO BARTLEBY THOSE TUTORS WHO WILL GIVE INCORRECT ANSWERS.
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est 2 (copy) (page 4 of 9)
A wiseup.wsu.acza/mod/quiz/attempt.php7attempt=610918cmid 148960&page=3
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ashboard / My courses / FLM15B2_KF_WS6222 2021 / Tests / Test 2 (copy)
uestion 4
Quz navigation
Gate AB in Figure below is 1.0 m long and 0.9 wide. Calculate force F on the gate and position X of its centre of
Not yet
answered
pressure.
Marked out of
Finish attempt
10,000
Rag question
3m
Oil,
s.g.=Q81
7m
1.0m
B
50
Answer
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- Please give me the answers for this i been looking at this for a hour and my head hurtsarrow_forwardPart 2 Set up a spreadsheet solution to this problem. This will require that you derive one formula to express the relationship between the friction coefficient, the spring constant, and the spring compression; and a second formula to find the cost of using different slide and spring types. Set up your spreadsheet as shown below. You can fill in the "Acceptable?" column manually, rather than using a formula. Turn in a copy of your spreadsheet/Matlab work (solve for $) Friction Spring Constant Spring Compression M k 0.1 0.1 0.1 0.2 0.2 0.2 50 100 150 50 100 150 4 Part 3 Your boss has decided to look at a second option. The spring mechanism will be replaced by a drop box. After leaving the slide, the blocks will travel 5 horizontal feet through the air and pass through a hole into the drop box. Using the slide you selected above, determine how far below the slide (h) to place the hole in the drop box. Yo = 5.2017/5 BLADE 2 RAMPE SLIDE 8⁰ SLIDE Acceptable? (Yes or No) $' Cost 51 In DROP…arrow_forwardHandwritten solution required. Strictly don't use chatgpt. If you use chatgpt ,I will report the answer for sure. Mechanical engineering dynamics.arrow_forward
- Hello please show your correct and complete solution with schematic diagram and assumptions. Thanks ASAP! Subject: Mechanical Engineeringarrow_forwardRate positive for fast answer - please help me solve all parts of this mech. engineering problemarrow_forwardC)If both cyclists have 170 mm cranks on their bikes, what will be the mechanical advantage (considering only the movement of the feet with a constant force for walking and riding), in percent, that each rider will have achieved over walking the same distance? (This can be found by dividing the distance wallked by the distance the feet move in riding.)arrow_forward
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