Load Definition and 1000 Threads

Homework Statement A platform is supported by a rectangular plastic tank below . When there's no external load act on it , it oscillate on the water surface with amplitude 0.05m . When it's in equilibrium , the water reaches 0.07m of the height of tank submerged in water. P/s : the tank has a...

Homework Statement A rig accelerates a load of 200,000 lbf from zero to 60 ft/min in 5 seconds. Homework Equations Compute new load shown on the hook load indicator ? The Attempt at a Solution Calculated the distance of load l = 4.99 ft.

I have been asked to provide an estimate of the maximum load capacity of a shelf that would be 4.5ft by 1ft The information I know is as follows: Bending Stiffness=1750 Nm Area of shelf= 4.5ft by 1ft= 4.5 ft^2=0.41806368m^2 Thickness of shelf= 18mm I need either the equations I could use to...

this might have been answer before. Question is, what in physics or chemistry creates a load on a generator when the demand increases. For example, If no lights are turned on connected to a generator, it will spin freely. but the more lights are turned on the harder is to spin the generator...

Homework Statement An offshore crane is lowering a load with a constant speed of 0.2 m/s. The crane tip has a maximum vertical and horizontal acceleration, as a result of a seastate, of 2.0 m/s2 (vertical) and 0.8 m/s2. The crane needs to lower a 200 ton object onto a stationary object. The...

Homework Statement I am a student and have a question: For a small case study I have to determine the lateral and vertical impact loads during the installation of a object onto another object. This is done by a cranevessel, using its dedicated lifting crane. However, I am not familiar with...

Dear experts, Do you know the buckling load of a column (one end clamped one end free) under axial compressive and transverse lateral forces (applied combined at top free end)? Does the lateral load reduce the critical load or just reduces the stiffness of the column? Would you help me? -Thanks!

If I have a jack stand that is essentially a tri-pod, with all legs at the base equidistant from the center tube, and a 36,000 pound load on the jack. What is the compression in each leg given these dimensions? My attempt: Each reaction in the vertical direction is 1/3 the load, and there...

How do i calculate the t voltage and current for a RL load in a single phase full bridge uncontrolled rectifier ?

Homework Statement I am given a tool that needs to be balanced in the horizontal position with a spring of my design. I need to know the force that the spring will need to exert in order to do this. I am also choosing the mount point, which will be at 10 in. Homework Equations Fsy =...

Homework Statement I am not sure i know what is meant by the input load line and the output load line in parts b and c. I tried looking it up in my book (fundamentals of microelectronics by razavi) but to no avail. Any help is appreciated.

Hi Friends, I am trying to find variation in capacitance between two plates with applied body load. I defined an air box around the plates. Now I'm trying with electromechanics physics for applying body load and finding capacitance. I defined the two plates as linear elastic material. Applied...

Hi all! I have the following spectrum for a signal force: and this is a zoom in the range of interest: Can I state that this force is capable of exciting the natural frequency of the structure ( in the range 5-30Hz) or the force amplitude in this range is too low compared to the peak...

Hi, I am doing design calculations for a Variable Pitch Propeller and I have to calculate bearing life. A deep groove ball bearing is used for a mainshaft (driveshaft). And the mainshaft is connected to the propeller hub. I know the basic formula for calculating the bearing life but I am having...

if there was a way to utilize lightning what can be used as a load?

I Have a Dumb Question. If Electricity Supplied from Substation to Feeder to Transformer and Under Transformer If There Are Many Consumers. Assuming That many Consumers Went on for a Holiday, Does Utility Still Pay for the Electricity to the Generation company for the Electricity they Supplied...

Homework Statement I am trying to find the maximum deflection in a brass beam, however after taking a physical reading the theoretical answer I get is quite off and I am wondering what I am doing wrong. Homework Equations They tell us the max deflection is( Load*Length^3)/(48*E*Second Moment...

I have a hydraulic cylinder that can lift up to 3 metric tons and I want to attach it to an arm. The bracket is in a rigid U shape (right angles only, no round corners), with a round pin going through it. At first I thought it'd be a simple bending stress calculation, but there is a giant hole...

Hello everyone, Greetings of the day. My name is Zeshan, I am automation engineer, I am stuck in problem of automation of weighing and sort system in chicken slaughter house using plc and load cell. Everything is done right but load cell is not giving me the right weight to make the right...

Hello, I have an installation tool (which basically consists of a standard long bolt and nut) and a 100 lbs mass object would drop onto it (as if it were a hook) from about 1 - 2 inches. There are many forces to consider and I am looking into that. Since this installation tool will be...

Homework Statement A crane lifts its 500N load to the top of the building from A to B. Distances are shown on the diagram. Calculate how much work is done by the crane Known variables: AB= displacement= 50m AC=horizontal distance=30m BC=vertical distance=40m 2. Homework Equations Work...

A trolley is moving at a constant speed down a track, with no net force acting upon it. A heavy load is dropped vertically on top of the moving trolley. What happens to the trolley's speed? a) It stays the same, b) It decreases, c) It becomes zero, d) It is impossible to say, e) It increases...

Hi everyone.I would really appreciate if someone would help me with determination of floor load on columns (column tributary area). Normally uniformly distributed load acting on a beam is halved and each half-load is allocated to one column supporting the beam. In this case however, there is...

Hey guys, my group is building a tensile tester for testing 3d printed parts as specimen(standard ASTM D638). We're trying to use cheap parts to build the machine and I would like to ask you guys something about load cell. When choosing which load cells to buy, what conditions should I consider...

I built a voltage amplifier based on the AD625 instrumentation amplifier. This chip has a 1 G-Ohm input impedance. When the load has a resistance of 100 kOhm, output drift is negligible. When the load has a resistance of 100 MOhm, output drift is significant and not acceptable. Are there any...

dear all , My question is what is the maximum load taken by beam of UB 610 x 229 x 125Kg/m for a span of 5 mtr? its supported on both side by anchoring on concrete beam.

Homework Statement A 1790N force pull a 266kg load up a 17º incline. what is the coefficient of static friction between load and incline. Homework EquationsThe Attempt at a Solution Tried several times on notebook but I haven't seemed to solve the problem.

I have a question related to electrical load. Electrical/electronic devices such as laptop, tablets often come with SMPS. Say my laptop is rated to consume 90 watts at full load and 10 watts at idle. But my question is related to how much electricity will it consume if laptop is completely...

I am looking at building a zip line in my back yard and using steel tubing as my end anchors with the following specifications 75' span / support 500lbs at the center / 1/4" steel cable / anchoring the tubing into a 8"x6' masonry wall and encasing it is concrete with an additional 4' of tubing...

The motor runs on dc current. I understand efficiency is useful work/work input. It is attached to the pulley. I think efficiency will remain constant as long as voltage of mains and vertical height remain constant. Am I wrong? Other people claim efficiency increases with load

Homework Statement A uniform curved beam ABC of radius R is fixed at C and is free at end A, and carries a vertical load W at B, as shown in Fig. 3.2. Considering only bending action of W, derive expressions for the vertical and horizontal displacements as well as the rotation at end A in terms...

Hello I am wondering what the relation between motor rpms and propeller rpms. I know that once you put the propeller on you are going to lose some of that speed due to drag and weight of the propeller. Spec. Battery: 10 Cell /37V RPM: 231kv Max current: 80A Watts: 2960w No load current...

Hi, im doing a piezoelectric energy harvesting project with a standard harvestings circuit consisting of a full bridge rectifier, smoothing capacitor and a resistive load. I managed to get around 28V after rectification without connecting to a smoothing capacitor and load, but when i added a...

What can you recommend as a non-linear load? Preferably one that can be bought or constructed inexpensively. Thank you!

Guys I have tricky question : I have beam loaded like that: Is there any easy way to do simplification of this load ( I don't mean transfer the UDL to Point Load). Mentioned that I mean the way to not do the calculation of moment to find max in 4 section and the two almost 4 double integrals...

Can a Servo motor (or any electric motor) be used as a load on a system ? meaning can it reprisent for example a certain dead weight ? If we had a motor driving some gears connected to the shaft of the motor, In order to apply a certain load on the system could i put another motor on the other...

Homework Statement A testing device has the applied load located at the end of a loading bar. The loading bar is connected by a pin to the post. Find the symbolic relationship between the applied load(the "input" load) and the effective load applied the specimen(the "output" load). Homework...

Please bare with me, this is my first post here (although I've read a lot on here over the past few months) Hopefully I've used the correct formatting etc. I've got to a sticking point on the final point of the question below (2iii) I'm pretty happy with my answers to 2i and 2ii so I've not...

Hi, A few days ago, my Windows 10 went through a long auto update and now when I run Windows Live mail, I cannot send an e-mail and I receive a message: An app on your PC needs the following Windows feature: .Net Framework 3.5 and then it instructs me to load it. But when I attempt to load...

I have a flat steel bar (30 mm width, 5 mm thick, 1100 mm long). The bar has a load applied in the centre of 100N. the bar is fixed at both ends with a single concentrated load P applied mid-span the maximum yield stress is 250 MPa (250x10^6 Pa) How do I calculate the maximum load the bar can...

Homework Statement I'm designing a device for changing a load position from vertical to horizontal. It has a wheeled frame (2) which allows an operator to transport the load after reorientation. The combined centre of gravity of a rotating platform (1) and the load moves forward due to...

I am trying to make a FBD for equipment which is half out of the beam, I realize I can represent it with a single line of force. But how if I want to go for distribute load? which one is the correct one. (purposely not drawing reaction force on floor.)...

Homework Statement The first theory shows a spring under an axial load where the Torque is given as WRcos(a) The second theory shows a spring under axial Torque. T is given as Wsin(a) Homework Equations Given in links The Attempt at a Solution A torque T would be at full strength along...

A bicycle powered generator uses mechanical energy to create electrical energy, yes? I pedal, and some form of coils and magnets move around and around and generate electricity. This I understand. Upon pedaling at "x" rpm's, I'll produce a certain amount of watts of electricity, correct? If...

Hi, So is there a type of battery or ANYTHING that stores electric charge or potential that is purely real and does not look reactive in a circuit? Cheers

Can anyone explain me in simple words what is quescent point and what is shows 2- what is ac and dc load lines what they represents actually and what is difference between ac and dc load lines

Hello... Can anyone tell me how sine and cosine came in ,above .(To the last of the attachment pic) Thank you.

Homework Statement A platform (m = 5,0kg) is suspended from 4 steel cables whose length is 3,0m and diameter 2mm. a) How much further will the platform sink if a mass of 50kg is placed on the platform? b) What is the maximum load that the wires can hold before breaking? Homework Equations...

Homework Statement In my Intro to EE class we have a homework assignment with the following problem: I think I finished part a but want to make sure that I am doing the problem correctly before I move on to the next part. Homework EquationsThe Attempt at a Solution

I have posted a couple times about this but i keep changing my mind on my racking. Now i am thinking a taller rather than wider racking system. It would be a rectangular prism about 10ft tall and 3ft wide. There will also be a shelf about every 28 inches. Now in order to solve the capacity of...