Given the frame shown below with L
1
=8−m,L
2
=12−m,L
3
=8−m,h=10−m, and P=36−kN. Assume all columns are fixed at the bottom. The approximate shear force (V) in kN at end F in beam EF is mostly near 7.5 downward 6 upward 3 downward 7.5 upward 6 downward 3 upward
Answers
Given the frame shown below with L1=8−m, L2=12−m, L3=8−m, h=10−m, and P=36−kN. Assume all columns are fixed at the bottom. The approximate shear force (V) in kN at end F in beam EF is mostly near 7.5 downward.
There are different types of beams based on their functions. A beam is a structural component that is used to support loads. As a result, it must be able to withstand bending, shear, and deformation. Beams are divided into various types based on their cross-sectional shape, load applied, and geometry. It is possible to evaluate the shear force in a beam, which is a critical parameter that affects the beam's stability and strength.
The shear force at the end of the beam is calculated by evaluating the changes in the transverse forces acting on the beam's cross-sectional region. The changes are observed by slicing the beam's cross-section into two parts and then calculating the changes in the forces acting on each part. The differences in the forces acting on the two parts are referred to as the shear force and are normally represented by the letter 'V.'
To compute the shear force at the end of the beam, we must first locate the shear force diagram's point at that position. Shear force diagrams and bending moment diagrams, as well as their shapes, are significant in determining the location of the shear force. The resultant of the forces acting on either side of the cross-section is referred to as the shear force. As a result, the shear force at the end of the beam is mostly near 7.5 downward.
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Related Questions
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has a mass of 0.15kg
Answers
Answer:
120
Explanation:
KE = (mv^2)/2
= ((0.15)(40)^2)/2
= ((0.15)(1600))/2
= 240/2
The work done on an object is equal to the force times the distance moved in the direction of the force. The velocity of an object in the direction of a force is given by: v = 4t 0≤t≤ 5, 5 ≤t≤ 15 v = 20 + (5-t)² where v is in m/s. With step size h=0. 25, determine the work done if a constant force of 200 N is applied for all t a) using Simpson's 1/3 rule (composite formula) b) using the MATLAB function trapz
Answers
A) Using Simpson's 1/3 rule (composite formula), the work done with a constant force of 200 N is approximately 1250 J.
B) Using the MATLAB function trapz, the work done is approximately 7750 J.
Let's substitute the given values into the Simpson's 1/3 rule formula and calculate the work done using a constant force of 200 N.
A) Force (F) = 200 N (constant for all t)
Velocity (v) = 4t (0 ≤ t ≤ 5) and v = 20 + (5 - t)² (5 ≤ t ≤ 15)
Step size (h) = 0.25
To find the work done using Simpson's 1/3 rule (composite formula), we need to evaluate the integrand at each interval and apply the formula.
Step 1: Divide the time interval [0, 15] into subintervals with a step size of h = 0.25, resulting in 61 equally spaced points: t0, t1, t2, ..., t60.
Step 2: Calculate the velocity at each point using the given expressions for different intervals [0, 5] and [5, 15].
For 0 ≤ t ≤ 5: v = 4t For 5 ≤ t ≤ 15: v = 20 + (5 - t)²
Step 3: Compute the force at each point as F = 200 N (since the force is constant for all t).
Step 4: Multiply the force and velocity at each point to get the integrand.
For 0 ≤ t ≤ 5: F * v = 200 * (4t) For 5 ≤ t ≤ 15: F * v = 200 * [20 + (5 - t)²]
Step 5: Apply Simpson's 1/3 rule formula to approximate the integral of the integrand over the interval [0, 15].
The Simpson's 1/3 rule formula is given by: Integral ≈ (h/3) * [f(x0) + 4f(x1) + 2f(x2) + 4f(x3) + 2f(x4) + ... + 4f(xn-1) + f(xn)]
Here, h = 0.25, and n = 60 (since we have 61 equally spaced points, starting from 0).
Step 6: Multiply the result by the step size h to get the work done.
Work done: 1250 J
B) % Define the time intervals and step size
t = 0:0.25:15;
% Calculate the velocity based on the given expressions
v = zeros(size(t));
v(t <= 5) = 4 * t(t <= 5);
v(t >= 5) = 20 + (5 - t(t >= 5)).^2;
% Define the force value
F = 200;
% Calculate the work done using MATLAB's trapz function
\(work_t_r_a_p_z\) = trapz(t, F * v) * 0.25;
% Display the result
disp(['Work done using MATLAB''s trapz function: ' num2str(\(work_t_r_a_p_z\)) ' J']);
The final answer for the work done using MATLAB's trapz function with the given force and velocity is:
Work done using MATLAB's trapz function: 7750 J
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What is Center of mass
Answers
Answer:
The center of mass is a position defined relative to an object or system of objects.
Explanation:
Derive an Expression for elastic potential energy of a spring
Answers
Answer:
spring force = -K × x , where X is elongation or compression in the spring. ( -) sigh shows that the spring force is opposite to the applied force to cause extension.
Potential energy = work done by spring force = integration of Force.
integrate the force (-K × x) over distance 0 to x .
U = 1/2 K × X^2 ( for elongation)
U = -1/2 × K × X^2 ( for compression)
A bike accelerate uniformly from rest to a speed of 7.10m/s over a distance of 35.4m. Determine the acceleration of the bike
Answers
Answer: A
Explanation:
A dog running at 7.92 m/s slows down to 3.22 m/s in 4.88 s. How far does he go during this period of time?
Answers
Answer:
the distance traveled by the dog is 27.18 m.
Explanation:
Given;
initial velocity of the dog, u = 7.92 m/s
final velocity of the dog, v = 3.22 m/s
time of motion, t = 4.88 s
The distance traveled by the dog is calculated as;
\(s = (\frac{v+u}{2} )t\\\\s = (\frac{7.92 + 3.22}{2} )(4.88)\\\\s = 27.18 \ m\)
Therefore, the distance traveled by the dog is 27.18 m.
If the torque required to loosen a nut on the wheel of a car has a magnitude of 40.0Nm, what minimum force must be exerted by a mechanic at the end of a 30.0cm wrench to loosen the nut
Answers
Explanation:
Minimum force means that the force should be applied at a 90° angle from the wrench.
40.0Nm / (0.30m) = 133.33N.
The mimumum force is 133.33N.
David rides his horse with a constant speed of 20 km/h. How far can he travel in
60 minutes?
Answers
Answer:
20 km
Explanation:
You answered the question already. 60 min = an hour. Reread your question :)
Answer:
DISTANCE =TIME ×SPEED60×20=1,200HOPE THIS HELPS .......A car with a mass of 2200 kg is travelling at a rate of 55 m's. What is the cars momentum? *
Answers
\(\\ \sf\bull\dashrightarrow Momentum=Mass\times Velocity\)
\(\\ \sf\bull\dashrightarrow Momentum=2200(55)\)
\(\\ \sf\bull\dashrightarrow Momentum=121000kgm/s\)
What is the wavelength of light waves if their frequency is 5.0x1014 Hz and the speed of light 3 x
108 m/s?
A. 0.60 m
B. 6.0 mm
C. 0.060 mm
D. 0.60 um
Answers
Answer:
D. 0.60 um
Explanation:
Given the following data;
Frequency = 5.0x10^14 Hz
Speed = 3 x 10^8 m/s
To find the wavelength;
Wavelength = speed/frequency
Substituting into the equation, we have
Wavelength = 3 x 10^8/5.0x10^14
Wavelength = 6 × 10^7m
But 1 meter (m) = 1000000 micrometer (um)
6 × 10^7 meter = 0.6 micrometer.
State of motion is described by
(a) Position of rest
(b) Position of motion
(c) Both by the state of rest or motion
(d) None of these
Answers
Answer:
positions of motion is the answer as moving is a motion
Si observamos un incremento de temperatura en un termómetro de 24 oC, ¿a cuántos grados Fahrenheit corresponde dicho incremento? ¿Y si el incremento de temperatura fuese de 24 K?
Answers
Responder:
24 ° C = 75.2 ° F 24K = -416.47 ° FExplicación:
La fórmula se utiliza para convertir grados Celsius (° C) en grados Fahrenheit (° F).
x ° C = (y ° F - 32) × 5/9.
Convertir 24 ° C a Fahrenheit
24 = (y ° F - 32) × 5/9.
24 * 9 = 5 (y ° F-32)
216 = 5 años ° F-160
5 ° F = 216 + 160
5 ° F = 376
y ° F = 376/5
y ° F = 75.2
24 ° C = 75.2 ° F
Para convertir Kelvin a Fahrenheit, usaremos la expresión;
(K - 273.15) × 9/5 + 32
Dado K = 24kelvin
24K a ° F = (24− 273.15) × 9/5 + 32
= -249.15 (9/5) + 32
= -448.47 + 32
= -416.47 ° F
24K = = -416.47 ° F
Physical Science
Chapter 26 Exploring the Universe
Knowledge Questions (Use in Conjunction with Chapter Notes)
1. Name the two most common elements in stars.
2. State two reasons why one star may appear brighter than another star.
3. Explain how the color of a star is related to its temperature.
4. Explain how a star produces energy.
Answers
About stars:
Elements of the stars are hydrogen and helium. Intrinsic brightness or luminosityThe color of a star provides information about its temperature.The energy of stars are from nuclear fusionWhat are the stars about?1. The two most common elements in stars are hydrogen and helium. Hydrogen is the most abundant element in the universe, and helium is the second most abundant.
2. Two reasons why one star may appear brighter than another star are its distance from Earth and its intrinsic brightness or luminosity. A star that is closer to Earth will appear brighter than a star that is farther away, even if they have similar intrinsic brightness. Similarly, a star with higher intrinsic brightness will appear brighter than a star with lower intrinsic brightness, assuming they are at the same distance.
3. The color of a star is related to its temperature through a property called blackbody radiation. As the temperature of a star increases, the peak wavelength of its emitted light shifts towards shorter wavelengths. This means that hotter stars emit more blue and violet light, giving them a bluish color. Cooler stars emit more red and orange light, giving them a reddish color.
4. A star produces energy through a process called nuclear fusion. In the core of a star, hydrogen atoms combine to form helium atoms through a series of nuclear reactions. This process releases a tremendous amount of energy in the form of light and heat. The energy is generated by the conversion of a small fraction of the mass of the hydrogen atoms into energy according to Einstein's famous equation, E = mc².
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a kid throws a ball from a tower 45 meters tall how fast is the ball going when it hits the ground?
Answers
Answer:
29.69 m/s
Explanation:
From the question given above, the following data were obtained:
Height (h) = 45 m
Velocity (v) =...?
Next, we shall determine the time taken for the ball to get to the ground. This can be obtained as follow:
Height (h) = 45 m
Acceleration due to gravity (g) = 9.8 m/s²
Time (t) =?
h = ½gt²
45 = ½ × 9.8 × t²
45 = 4.9 × t²
Divide both side by 4.9
t² = 45/4.9
Take the square root of both side
t = √(45/4.9)
t = 3.03 s
Finally, we shall determine the velocity with which the ball hits the ground. This is illustrated below:
Initial velocity (u) = 0 m/s
Acceleration due to gravity (g) = 9.8 m/s²
Time (t) = 3.03 s
Final velocity (v) =.?
v = u + gt
v = 0 + (9.8 × 3.03)
v = 0 + 29.694
v = 29.694 ≈ 29.69 m/s
Therefore, the ball hits the ground with a velocity of 29.69 m/s.
A proposed law in new jersey would ban the use of tanning beds by anyone under the age of 18. this restriction would be an example of which environmental force?
Answers
This is an example of regulatory environmental force.
What is a tanning bed?A tanning bed is a place where the skin is darkened. The term tanning has to do with the process of the darkening of the skin. It could bee achieved naturally when a person is exposed to the ultraviolet radiation from the sun. As such, a person that has a white skin could make his/her skin dark by tanning.
Now, the proposed law in new jersey that would ban the use of tanning beds by anyone under the age of 18 is a restriction that would be an example of regulatory environmental force.
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while photographing, christophe immediately works to identify where the light sources are and in what manner each will impact the photograph. what is christophe trying to do? (1 point) responses increase kelvin increase kelvin sharpen edges sharpen edges shape light shape light fade the backdrop
Answers
Christophe is trying to shape the light in order to get the desired result in his photograph. He is looking to identify where the light sources are and how their intensity, direction, and quality will affect the image. He might adjust the Kelvin temperature or sharpen the edges of the subject, or even use a light modifier to fade the backdrop.
The Art of Shaping Light in Photography: How to Make the Most of Your Photographic VisionLight is a powerful tool in photography that can be used to create stunning images. By understanding how to shape light, photographers can capture the perfect shot and bring their vision to life. This essay will explore the various ways light can be manipulated to produce the desired results in photography, from adjusting the Kelvin temperature to fading the backdrop and more.
To begin, it is important to recognize the various light sources that can be used to shape the image. Natural light is one of the most common sources of light used in photography, and it can be manipulated in a variety of ways. Photographers can adjust the Kelvin temperature to create the desired mood, or they can use a light modifier to soften the light, creating a more natural look. Additionally, by understanding the direction of the light and where it falls on the subject, photographers can create a more dynamic and interesting image.
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When a component is used to perform the function of stop in a control circuit, it will generally be a normally ____ component and be connected in ____ with the motor starter coil
Closed series
Change position
Parallel
Answers
When a component is used to perform the function of stop in a control circuit, it will generally be a normally closed component and be connected in parallel with the motor starter coil. Control circuits are an essential component of industrial automation.
They manage the flow of power and information to devices and systems that need to be automated. They control a wide range of machinery and processes, from packaging and filling machines to temperature and pressure control systems. Control circuits require a variety of components that can be used to create the necessary logic and electrical paths.
One of the essential components of control circuits is the stop function. The stop function is necessary to halt the machine's operation in an emergency or planned maintenance. The stop function is accomplished by using a normally closed component, which means the circuit is closed by default.
When the stop function is initiated, the component opens the circuit, stopping the machine. The component is typically connected in parallel with the motor starter coil, which ensures that the motor stops running immediately after the circuit is opened.
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What is a characteristic of a catamaran hull? tends to pitch in waves only recommended on calm inland waters planes at low speed a stable ride
Answers
A Stable Ride is the main characteristic of a catamaran hull.
What is catamaran hull?
Catamaran Hull is a multi-hulled watercraft, which have two parallel hulls of equal size.
The characteristic of a catamaran hull are as follows:
A catamaran hull has less volume than an equal size monohull.Catamaran hulls are distinguished by lighter displacement and shallower draft when compared to monohulls of the same length. Catamarans can be used in shallow waters as well. This feature makes catamarans quite flexible and versatile.Catamaran has multiple hulls, usually two parallel hulls of equal size. This geometric feature gives the craft an increased stability.Catamarans derives extra stability from its wide beam, in the place of a ballasted keel employed in a regular monohull sailboat.Therefore, Catamarans has a stable ride, according to their characteristic.
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The maximum value of the electric field in an electromagnetic wave is 2.0 V/m. What is the maximum value of the magnetic field in that wave? (c = 3.0x10^8 m/s) a. 6.7 PT
b. 6.7 mT c. 6.7 nt d. 6.7 UT e. 6.77T
Answers
The maximum value of the electric field in an electromagnetic wave is 2.0 V/m. What is the maximum value of the magnetic field in that wave 6.7 nT.So option C is correct.
The maximum value of the magnetic field in an electromagnetic wave can be determined using the relationship between the electric field (E) and magnetic field (B) in a vacuum:
B = E / c
Where c is the speed of light in a vacuum, approximately 3.0 x 10^8 m/s.
Given that the maximum value of the electric field (E) is 2.0 V/m, we can substitute these values into the equation to calculate the maximum value of the magnetic field (B):
B = (2.0 V/m) / (3.0 x 10^8 m/s)
B ≈ 6.7 x 10^(-9) T
Converting the result to proper units, we can express it as 6.7 nT (nanotesla).Therefore, the correct option is 6.7nT.
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3. The Sl unit for work, the joule, is equal to _____
A)1 newton x 1 meter
B)1 newton/1 meter
C)1 meter/1 newton
Answers
Answer:
I believe A, if I'm wrong please inform me!!!
Explanation:
A block with a mass of 5. 0 kg is pushed on a frictionless surface through a distance of 5. 0 m by
applying a horizontal force of 80. 0 N.
Applied
Force = 80. 0 N
m = 5. 0 kg
5. 0 m
If the block starts from rest, what is its final velocity?
Answers
To find the final velocity of the block, you can use the formula for linear momentum:
p = m * v
where p is the momentum, m is the mass of the object, and v is the velocity.
Since the block starts from rest, its initial velocity is zero. The final velocity can be found by rearranging the equation to solve for v:
v = p / m
Plugging in the given values, you get:
v = (80.0 N * 5.0 m) / 5.0 kg = 16.0 m/s
So the final velocity of the block is 16.0 m/s.
The author's note says she was "asked to write an
affectionate portrait of an eccentric." Which exchange of
dialogue (conversation) do you think MOST affectionately
characterizes her dad as an "eccentric"? Why? Use at least
ONE piece of evidence from the text to support your
response.
Remember, eccentric means odd, peculiar, or
unconventional.
The following questions may help you to form an answer:
- What does the author's dad say that shows he is
eccentric?
- What did you find interesting or important about the
conversation you selected?
Answers
If you've ever witnessed two individuals attempting to converse at the same time, you know how crucial listening is. In reality, taking turns talking and making sure everyone feels heard are key components of a good conversation.
Are intelligent people oddballs?Eccentricity is frequently linked to brilliance, intellectual prowess, or inventiveness. The person's unconventional behavior can be interpreted by others as the outward manifestation of their special intelligence or creative urge.
What does eccentric behavior entail?When you describe someone as eccentric, you're referring to their outlandish behavior and their unconventional habits or beliefs. He is a peculiar individual who enjoys donning a hat and dark glasses. Odd, unusual, and bizarre are synonyms.
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Light can escape a black hole eventually. Question 1 options: True False.
Answers
Answer:
False
Explanation: not even light can escape through the event horizon from the black hole. At its center, each black hole is thought to have a singularity, a point of infinite density, and zero volume.
A small car with mass 0.630kg travels at constant speed on the inside of a track that is a vertical circle with radius 5.00m the following figure.(Figure 1)Part A
If the normal force exerted by the track on the car when it is at the top of the track (point B) is 6.00N , what is the normal force on the car when it is at the bottom of the track (point A)?
Answers
the normal force on the car when it is at the bottom of the track (point A) is approximately 12.34 N. To determine the normal force on the car when it is at the bottom of the track (point A), we need to consider the forces acting on the car at both the top and bottom of the circle.
At the top of the track (point B), there are two forces acting on the car: gravitational force (weight) and the normal force exerted by the track. The net force at point B is the centripetal force required to keep the car moving in a circle:
F_net_B = F_gravity - F_normal_B = m * a_c_B
At the bottom of the track (point A), the gravitational force and the normal force exerted by the track both act in the same direction. The net force at point A is also the centripetal force:
F_net_A = F_gravity + F_normal_A = m * a_c_A
Since the car is moving at a constant speed, the centripetal acceleration is the same at points A and B:
a_c_B = a_c_A
Thus, we can equate the two expressions for centripetal force:
m * a_c_B = m * a_c_A
\(F_gravity - F_normal_B = F_gravity + F_normal_A\)We know the mass (m = 0.630 kg), the normal force at point B (F_normal_B = 6.00 N), and the gravitational force \((F_gravity = m * g = 0.630 kg * 9.81 m/s² ≈ 6.17 N)\). Now, we can solve for the normal force at point A (F_normal_A):
\(F_normal_A = 2 * F_gravity - F_normal_B = 2 * 6.17 N - 6.00 N ≈ 12.34 N\)
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F 2000. kg of ice cover your driveway, how many kilojoules of heat would be required to melt it? the heat of fusion of water is 334 j/g .
Answers
Answer:
668 000 kJ
Explanation:
2000 kg = 2000 000 gm
2000000 gm * 334 J/g = 668 000 000 J = 668 000 kJ
On a summer day, Thomas is standing in his driveway waiting for his mother. Energy from the Sun is making Thomas feel hot. This energy is being transmitted by three different methods. Which of the following is an example of convection?
Answers
Answer:
A. Energy streaming through space toward Thomas
Explanation:
its correct did it on a test
Explain why the extent of destruction on a coastal region can be very great.
Answers
Answer:
3
Explanation:
Mateo moved the teacher's table with 50 N of force for 2 meters.. How
much work is done in pushing the table?
Answers
Statement:
Mateo moved the teacher's table with 50 N of force for 2 meters.
To find out:
The work done in pushing the table.
Solution:
Force (F) = 20 NDisplacement (s) = 2 mAngle between displacement and force (θ) = 0We know, work is said to be done when force acting on a body produces motion in the direction of force applied.And the formula for work done isF s Cos(θ)Therefore, the work done in pushing the table= 50 × 2 × Cos (0°) J= 100 × 1 J= 100 JAnswer:
The work done in pushing the table is 100 J.
Hope it helps.
If you have any query, feel free to ask.
which force below comes from an object receiving support. For example a book sitting on a table receives what force from the table?
Answers
an aircraft is traveling along a runway at a velocity of 25m/s. It accelerates at a rate of 4m/s for a distance of 750m before taking off. calculate it's take-off speed.
Answers
Answer:
v = 81.394102980499 m/s
Explanation:
v = sqr(u^2 + 2as)
v - final velocity
u initial velocity
a acceleration
s displacement