Define a set of vectors that is suitable for a complete kinematic analysis of the mechanism. Label and show the sense and orientation of each vector. Write the vector loop equation(s) for the mechanism. Identify suitable input(s), known quantities, unknown variables, and any constraints. If you identify constraints, then write the constraint equation(s).
Answers
In mechanical engineering, a kinematic analysis is conducted to comprehend the movements of mechanical systems, including machine elements, machines, and mechanisms. It aids in the determination of the acceleration, velocity, and position of the system.
It also includes a comprehensive study of the geometry of motion, such as the displacement, velocities, and accelerations of the various components that make up the system. This process may be aided by vectors, which aid in the assessment of velocity, force, and displacement. A kinematic study of the mechanism necessitates the use of a set of vectors, the vector loop equations, and suitable inputs and outputs to compute the motion parameters. A vector diagram is useful in determining these parameters. These vectors are indicated as a series of arrows, each with a sense and orientation.
The appropriate set of vectors is:
1. Velocity vectors (V): These are used to represent the direction of motion of each link in the mechanism.
2. Position vectors (P): These vectors represent the relative positions of the links in the mechanism.
3. Acceleration vectors (A): These vectors represent the direction and magnitude of acceleration of each link in the mechanism.
4. Force vectors (F): These vectors represent the direction and magnitude of forces acting on each link in the mechanism.
Vector loop equation:
∑V = 0
This equation implies that the sum of all the velocity vectors should be equal to zero since the links' velocities should be equal in magnitude and opposite in direction.
The suitable input(s) are the velocity and position of the input link, known quantities are the lengths of all links, the unknown variables are the velocities and accelerations of all links, and the constraints are that the sum of all the angles in the closed-loop is 360 degrees. The constraint equation(s) is as follows:
∑Θ = 360
This equation implies that the sum of all the angles in the closed-loop should be equal to 360 degrees.
Vector sense and orientation:
The sense of the vectors can be determined by the direction of motion of the link it represents. The orientation can be determined by selecting any point on the link and indicating the vector from that point.
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Related Questions
Which of the following background-attachment properties is similar to scroll, but is used for elements, such as scroll boxes, to allow the element background to scroll along with the content within a box? a) fixed b) local c) round d) space
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The background-attachment property that is similar to scroll, but is used for elements, such as scroll boxes, to allow the element background to scroll along with the content within a box is 'local.'
The background-attachment property sets whether a background image is fixed or scrolls along with the containing element's text. The background-attachment property sets how the background image will be positioned in the viewport.The background-attachment property has four values, which are:scroll: The image will move as the user scrolls the element, and it will scroll along with the textfixed: The image will not move when the user scrolls the element; instead, it will remain fixed in place, just like a background image in a picture frame. The fixed value fixes the image in a specific location of the page, regardless of the scrolling of the rest of the page.
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why is tubing sometimes coiled when installed in a car or vechile
Answers
Answer:
Coiled tubing is often used to carry out operations similar to wire lining.
The ____________________ is used to measure the power required to operate a device.
Answers
A power analyser (not sure, I don’t do engineering) Imaoo
Answer:
multimeter
Explanation:
there's several devices that are used to measure power. the most common one is a multimeter. there's also the voltmeter and ammeter or the oscilloscope.
Why are you asked to draw a sketch of a Bridge-Design on a graph sheet/A4 sheet?
Answers
Engineers or architects can be asked to draw a sketch of a bridge-design on a graph sheet or A4 paper to communicate their ideas and scale their drawings.
Architectural sketches are about the communication of ideas. Engineers and architects use hand sketching to clarify elements of the design to the contractor or client.
It should be noted that drawings can also be drawn on a graph sheet or A4 paper to represent the detail before it's eventually constructed.
Scale drawings are used for the illustration of items that are not convenient to draw their actual size. In the construction industry, scales are used depending on the nature of the drawing. Drawings can be made on a graph or A4 paper due to the ease of printing, reproducing, and resizing the drawings.
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The point at 0°, 0° is
Answers
effects of salinity water on alfalfa
Answers
During which step of a free-radical chain-growth polymerization does the polymer actually grow or chain extend?.
Answers
During propagation step of a free-radical chain-growth polymerization does the polymer actually grow or chain extend.
What is radical chain-growth polymerization?
The process of free-radical chain growth in polymers. Common free-radical reactions include polymerizations using free-radical mechanisms. The formation of radicals is the initiation, the development of the products is the propagation, and the ending of the free-radical chain reactions is the termination.What distinguishes step growth polymerization from chain growth polymerization?
The polymer chain in chain growth always expands one monomer at a time. The polymer chain doubles with each step of step development. The polymer chain's rate of expansion is drastically different in these two situations as a result. Every coupling step causes chain growth, which causes the chain length to gradually expand.Learn more about radical chain-growth polymerization
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What does efficiency measure?
Answers
Answer:
Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.
Explanation:
Examine the following recursive function which returns the minimum value of an array:
int min(int a[], int n){
if(n == 1)
return;
if (a[n-1] > a[min(a, n-1)]
return min(a, n-1);
return n-1;
}
Give a recurrence R(n) for the number of times the highlighted code is run when array a[] is arranged in descending order.
Assume the following:
n is the size of the array and n ≥ 1.
All values in the array are distinct.
Answers
When the array `a[]` is arranged in descending order, the highlighted code will be executed exactly once for each recursive call until the base case is reached (when `n` becomes 1). The base case R(1) represents no additional execution of the highlighted code.
The provided recursive function returns the index of the minimum value in the array `a[]`. To find the recurrence relation R(n) for the number of times the highlighted code is run when the array `a[]` is arranged in descending order, we need to understand how the function works and how it progresses.
Let's analyze the recursive function step by step:
1. The base case is when `n` becomes 1. In this case, the function simply returns without any further recursion.
2. If the condition `a[n-1] > a[min(a, n-1)]` is true, it means that the element at index `n-1` is greater than the minimum element found so far in the array. Therefore, we need to continue searching for the minimum element by recursively calling `min(a, n-1)`.
3. If the condition in step 2 is false, it means that the element at index `n-1` is the minimum value so far. In this case, the function returns `n-1` as the index of the minimum value.
Now, let's consider the scenario where the array `a[]` is arranged in descending order:
In this case, for each recursive call, the condition `a[n-1] > a[min(a, n-1)]` will always be false. This is because the element at index `n-1` will always be smaller than the minimum element found so far, which is at index `min(a, n-1)`.
Therefore, when the array `a[]` is arranged in descending order, the highlighted code will be executed exactly once for each recursive call until the base case is reached (when `n` becomes 1).
The recurrence relation R(n) for the number of times the highlighted code is run when the array `a[]` is arranged in descending order is:
R(n) = R(n-1) + 1, for n > 1
R(1) = 0
This means that for an array of size `n`, where `n > 1`, the highlighted code will be executed `R(n-1) + 1` times. The base case R(1) represents no additional execution of the highlighted code.
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A dwelling with a general lighting load of 10,000 VA requires a minimum of how
many 15 A branch circuits?
A. 8
B. 3
C. 10
D. 6
Answers
Explanation:
The calculation is as follows:
The general lighting load is 10,000 VA.
The voltage used in homes is typically 120 volts.
Dividing the general lighting load by the voltage gives us the amperage: 10,000 VA / 120 volts = 83.33 amps
According to the National Electrical Code (NEC), a 15-amp branch circuit can handle a maximum of 15 amps.
To determine the number of 15-amp branch circuits required, we divide the amperage by the maximum allowed on one circuit: 83.33 amps / 15 amps = 5.55
Therefore, we need at least 6, 15-amp branch circuits to handle the general lighting load of 10,000 VA.
The answer is (D) 6.
Determine the critical load if the bottom is fixed and the top is pinned. ewew = 1. 6 ×(10)3ksi×(10)3ksi ,σyσy = 5 ksiksi
Answers
Critical load Fcr or buckling load is the value of load that causes the phenomenon of change from stable to unstable equilibrium state.
With that beign said, first it is neessary to calculate the moment of inercia about the x-axis:
\(Ix= \frac{db^3}{12}\\ Ix = \frac{2.(4)^3}{12} = 10.667in\)
Then it is necessary to calculate the moment of inercia about the y-axis:
\(Iy = \frac{db^3}{12}\\ Iy = \frac{4.(2)^3}{12} = 2.662in\)
Comparing both moments of inercia it is possible to assume that the minimun moment of inercia is the y-axis, so the minimun moment of inercia is 2662in.
And so, it is possible to calculate the critical load:
\(Pc\gamma = \frac{2046\pi ^2E.I}{L^2} \\Pc\gamma= \frac{2046.\pi ^2.(1,6.10^3.10^3).2662}{(10.12)^2} \\Pc\gamma= 5983,9db\)
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Technician A says each manufacturer uses the same speed sensors to ease diagnostics. Technician B says each manufacturer and sometimes different ABS systems use different diagnostic procedures. Who is correct
Answers
It is important for Technicians to be knowledgeable about these differences to perform accurate and efficient diagnostics and repairs.
Technician B is correct. Although speed sensors serve a similar purpose in various vehicles, each manufacturer, and sometimes even different ABS systems within the same manufacturer, may use different types of speed sensors. This can result in different diagnostic procedures required to troubleshoot and fix issues related to the ABS system.
The reason for these differences is that manufacturers design their ABS systems with specific components and software to meet the unique requirements of their vehicles. Consequently, the diagnostic procedures and tools needed to identify and fix problems may vary. Professional technicians need to be familiar with the specific procedures and tools recommended by each manufacturer to ensure accurate and effective diagnosis and repair of ABS systems.
In Technician B is correct because each manufacturer, and sometimes different ABS systems, use different diagnostic procedures due to the unique design of their speed sensors and ABS components. It is important for technicians to be knowledgeable about these differences to perform accurate and efficient diagnostics and repairs.
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3. Which of these instruments is used to measure wind speed? A. anemometer C. wind sock B. thermometer D. wind vane It is an instrument that can show both the wind speed and direction. A. Anemometer C. Wind sock B. thermometer D. wind vane 4. 5. At what time does air temperature changes? A. from time to time C. in the evening only B. in the afternoon only D. in the morning only
Answers
Answer:
wind vane if it can be used to show wind speed and the other is a
Explanation:
please mark 5 star if im right and brainly when ya can
Determine numerical values for each of the three mesh currents as labeled in
the circuit diagram of Fig. 4.58.
Answers
The numerical values for the mesh currents that we have in the question are given as:
1i = 0.9892 = 0.9892 amperei2 = 0.1501 amperei3 = 0.1570 ampereHow to solve for the values of the mesh currentWe first have to write the KVL
2 - 1(i₁ - i₂) + 3 - 5(i₁ - i₃) = 0
We have to expand the equation that we have above
2 - i₁ + i₂ + 3 - 5i₁ + 5i₃ = 0
take like terms
-i₁ - 5i₁ i₂ + 5i₃ = 5
= 6i₁ - i₂ - 5i₃ = 5
-1(i₂ - i₁) - 6 i₂ - 9(i₃ - i2) = 0
after expanding we would have
i₁ - 16i₂ + 9i₃ = 0------- equation 2
-5 (i3 - i1) - 3 - 9(i3 - i2) - 7i3 = 0
5i1 + 9i2 - 2i3 = 3 ------ equation 3
From the equations that we have in 1, 2 and 3, we would solve the system of equations to get
1i = 0.9892 = 0.9892 ampere
i2 = 0.1501 ampere
i3 = 0.1570 ampere
These are the mesh current that are in the labeled diagram.
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Select the correct text in the passage.
Identify which of the following sentences describes the working of a piezoelectric gauge.
Answers
Answer:
The gauge converts the charge into a measurable electrical signal.
Explanation:
trust me
_____ can process many pieces of data at the same time and learn to recognize patterns.
Answers
Neural networks can process many pieces of data at the same time and learn to recognize patterns.
However, similar to the brain, such networks are capable of processing a variety of information concurrently, learning to spot patterns, and programming themselves to address similar issues on their own. Single instruction multiple data, or SIMD, is a type of parallel processing where a computer has two or more processors that all follow the same instruction set but handle distinct types of data. Large data sets that are based on the same predefined benchmarks are frequently analyzed using SIMD. Haptic interfaces, which are frequently used in gaming consoles, clothes, and sports training equipment, give tactile feedback by imparting vibrations or pressures to the user using actuators that are embedded in the device (for example, a cell phone).
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What components should you inspect if the crankshaft end play is out of specifications?
Answers
Answer:
gdyc ddxtfvytg4dgtfxdwcftcd3rcby
If the crankshaft end play is out of specifications, check for:
Thrust Bearings
Main Bearings
Crankshaft
Crankshaft Thrust Washers
Engine Block
To understand the crankshaft when it is out of specifications, check for:
Thrust Bearings: Check the condition of the thrust bearings, which are located at the front and/or rear of the engine block. Excessive wear or damage to the thrust bearings can contribute to increased crankshaft end play.
Main Bearings: Inspect the main bearings, which support the crankshaft within the engine block. Worn or damaged main bearings can cause excessive movement of the crankshaft.
Crankshaft: Check the crankshaft itself for any signs of damage, such as scoring or bending. A damaged crankshaft may not sit properly within the bearings, leading to increased end play.
Crankshaft Thrust Washers: Some engines use thrust washers to control the end play of the crankshaft. Inspect these washers for wear, damage, or improper installation.
Engine Block: Check the engine block for any signs of damage or distortion that may affect the alignment and support of the crankshaft.
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12. Some engine blocks are made of _______, but its high cost prohibits use in average-priced vehicles. A. cast iron B. aluminum C. magnesium alloy D. hydrocarbon
Answers
Select the statement that best describes the a mainframe computer.-It enabled users to organize information through word processing and database programs from their desktop.-It enabled people to connect to a central server and share data with friends, business partners, and collaborators.-It could run programs and store data on a single silicon chip, which increased computing speeds and efficiency-It enabled corporations and universities to store enormous amounts of data, sometimes on devices which occupied an entire room.
Answers
The statement that best describes a mainframe computer is: "It enabled corporations and universities to store enormous amounts of data, sometimes on devices which occupied an entire room."
A mainframe computer is a type of computer that is designed to handle large amounts of data and perform complex calculations. It is typically used by large organizations such as corporations and universities to manage their data and processing needs. Mainframe computers are known for their high processing power, reliability, and security features. They are capable of handling multiple tasks and users simultaneously, making them ideal for large-scale operations.
Mainframes are typically housed in data centers and are accessed by users through terminals or other devices connected to the central server. Overall, mainframe computers are a critical component of many large organizations and play a vital role in managing and processing data.
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The weight of your car will aslo affect its
Answers
Answer:
speed and acceleration
How to write an essay of informative speaking
Answers
Answer:
Do not use I me my we. Less exclamation points, bigger words like "Pompous" Lots of uptight language, as if you are at an interview. structure should be precise and sharp, sharper than Angelina Jolie's cheekbones
Explanation:
The UHRS platform is optimized for Edge/Internet Explorer only. You can still use your favorite browser, but keep in mind that you may experience technical issues when working on UHRS with a different browser than Edge or Internet Explorer.
UHRS is optimized for...
Answers
It is to be noted that all UHRS platforms are optimized for the popular kinds of internet browser applications.
What is a UHRS?The Universal Human Relevance System (UHRS) is a crowdsourcing platform that allows for data labeling for a variety of AI application situations.
Vendor partners link people referred to as "judges" to offer data labeling at scale for us. All UHRS judges are bound by an NDA, ensuring that data is kept protected.
A browser is a software tool that allows you to see and interact with all of the knowledgeon the World Wide Web. Web sites, movies, and photos are all examples of this.
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write a program for a movie theater to calculate how much money they made from a movie in a particular day. ask the user for the following inputs and place them into variables. assume correct input from the user (a string for the name and two integers for the ticket amounts):
Answers
A priority queue that stores the number of vacant seats for each row and places the most seats available at the top can be used to solve this issue.
What revenue did movie theatres generate?Revenue projections for U.S. movie theatres from 2010 to 2021, broken down by source. Around nine billion dollars in revenue were made by movie theatres nationwide in 2021, of which 4.5 billion dollars came from ticket sales alone.
How much cash is needed to construct a theatre?The expected investment for a franchise (miniplex) is between $1 and $2 billion. The investments include the franchise fee, furniture, fixtures, and equipment as well as advertising and marketing. One must also put up roughly $1 Cr. in capital.
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The oil system is:
The pistons and chambers
Anything in the engine that motor oil touches
The camshaft and lifters
The dipstick
Answers
Answer:
From the main bearings, the oil passes through feed-holes into drilled passages in the crankshaft and on to the big-end bearings of the connecting rod.
_____is the ability of a system to grow as the volume of users increases.
For others taking this class that have not found the answer
Answers
Answer:
Scalability
Explanation:
just took a test and it was right.
Match the term to the correct definition. bus full mesh ring star
Answers
Bus: linear arrangement Round in the form of a ring Systems are arranged in the form of a star using wire in this topology. Mesh: A non-synchronized arrangement of systems.
What is star bus topology?This topology is referred to as a star bus topology since it incorporates different star topologies into a single bus. A bus or star topology is comparable to the widely used tree topology in networks.
What distinguishes mesh topology from star star?The most popular topology in home and office networks is the star topology because it is so simple to deploy, operate, and troubleshoot. A redundant network of connections between nodes forms a mesh topology.
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Which vegetation type do you think will cause fire to spread the fastest?
Explain why you chose that answer.
Answers
Answer:B
Explanation: Dead Grass more flammable than wood and Green grass contains water.
Rayshawn leaves his car at Taylor's Auto Service center for an oil change. When the service is complete, he is obligated to pay the Auto Service for the work done. This type of contract is best characterized as:
an express contract.
a mechanic’s lien contract.
an executive contract.
an implied in fact contract.
Answers
Rayshawn leaves his car at Taylor's Auto Service center for an oil change. When the service is complete, he is obligated to pay the Auto Service for the work done. This type of contract is best characterized as an express contract.
An express contract is a type of agreement that is explicitly stated in words, whether written or oral. This agreement is created when two or more parties agree to the terms of the contract and express their willingness to enter into a contract. In an express contract, there is a clear agreement between the parties involved. The following are the characteristics of an express contract:It is a written or oral contract. It is a contract in which both parties have mutually agreed on specific terms and conditions. It is a contract in which the agreement is clear and concise, with no ambiguity in its language or meaning. In conclusion, an express contract is a type of agreement that is explicitly stated in words, whether written or oral. When two or more parties agree to the terms of the contract and express their willingness to enter into a contract, an express contract is formed. In the given case, Rayshawn leaves his car at Taylor's Auto Service center for an oil change. When the service is complete, he is obligated to pay the Auto Service for the work done. This type of contract is best characterized as an express contract.
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A balloon is filled with helium and pressurized to 135 kPa and 20◦C. The balloon material has a
mass of 85 g/m2.
a) Estimate the tension in the line.
b) Estimate the height in the standard atmosphere to which the balloon will rise if the mooring
line is cut
Answers
Answer:
See attachment
Explanation:
The attached picture shows a problem identical to this one except the diameter of the balloon is defined. The provided problem can be solved in terms of the balloon's diameter using the same procedure.
The solid cylindrical bar shown is subjected to a bending force F = 55kN, an axial load P = 8 kN, and a torsional load T = 30 kN-mm. The bar is made of AISI 1060 CD steel (Sy = 280 MPa, Sut = 330 MPa). Find the factor of safety based on Maximum Distortion Energy Theory.
Answers
The factor of Safety by Maximum Distortion Energy Theory is given as: N = 6.04
What is Maximum Distortion Energy Theory?
According to this idea, failure by yielding happens when the distortion energy per unit volume in a condition of combined stress equals that associated with yielding in a basic tension test at any location in the body.
What is the calculation for the above value?
Note that we are given the following:
A solid Steel bar subjected to a bending force of F = 55kN
Torsional load T = 30 kN-mm; and
Yield Strength (sy) = 280Mpa
Sut = 330 Mpa
The formula for Normal Stress is given as:
\(\alpha _{x}\) = [UP/πd²] + [ (32* f * L)/πd³]
= [(4 * 8 * 10³)/π * (0.02)²] + [(32 * 55 *10³ * 0.1)/ π * (0.02)³]
= 25.46 + 7.003
\(\alpha _{x}\)= 32.5 Mpa
Tyz = (16T)/πd³
= (16 * 30)/ π * (0.02)³
= 19.098
Tyz = 19.098
Following from the above, sate of stress, we have:
α₁ = αₓ = 32.46 Mpa; and
α₂ = Tyz = 19.098 Mpa;
α₃ = -Tyz = -p19.098 Mpa;
Utilizing the formula given by the Maximum Distortion Energy Theory:
α₁² + α₂² + α₃² - (α₁α₂ + α₂α₃ + α₃α₁)
= Sy²/N²
→ 32.46² + 19.098² + 19.098² - ( 32.46* 19.098 - 19.098² -32.46 * 19.098)
= 280/N²
N = 6.04
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