Resultant Definition and 505 Threads

Homework Statement Hi I've been struggling to work this out over the last week, so any help would be appreciated! 1: An object of mass 400kg is dragged at a constant velocity of 0.5m/s up a rough slope inclined at 25degrees to the horizontal. Given that coefficient of kinetic friction between...

please help me solve the problem graphically, what I know is that eventually I 'm going to be using law of sine and law of cosine for this problem. my problem is how to determine the necessary angle to be used in that method. this is how far I can get to, I use parallelogram rule and I'm...

I'm looking to find the resultant force of three forces and a moment: Fx, Fy, Fz, and Mx. I intend to graph multiple resultants. Would I just need to do the following to find the magnitude? Sqrt(((Fx+Mx)^2)+Fy^2+Fz^2) Thanks

Homework Statement the energy transferred per second by a progressive waves is directly propotional to the square of its amplitude, if two waves are in phase and superposed, the energy per second transferred by the resulatant wave propotional to A.) the sum of amplitude. B). The diffrenece of...

Homework Statement my question is on part a , the ans is 4260N . but my answer is double of the ans given. why I'm wrong? the working is shown in the photo. Homework Equations The Attempt at a Solution

Homework Statement "see attachment"Normally I would assume that the stress caused by the point load at A is equal to σ=P/Area. however since there is a distance between the two points and because of Saint Venants principle, I don't think that the stress at A will be the same with the stress at...

Homework Statement There is a body of mass 500kg accelerating at 2.5ms^-2. It experiences a frictional force of 1000N. Homework Equations Resultant Force = ma The Attempt at a Solution Resultant Force = (500)(2.5)N = 1250N The body is moving forward with a net force of 1250N A...

1."In this exercise, you will be finding the resultant torque from the cross product of a lever arm with a force vector. The lever arm vector is A=2.0i+3.0j. The force vector is B=3.0i-4.0j. Find A x B B x A and 2A x 3B 2.My teacher has been sick the past few days so hasnt taught us...

Determine the resultant R and the point on the y-axis through which the line of action of the resultant of the loading system shown passes I have attached an image of the problem In my attempt to solve the problem I went about the following steps: 1- I chose my axis to be right in the middle...

How do you calculate the resultant amplitude of two interfering waves, at any given point? I found two different equations: A_r = \sqrt{A_1^2 + A_2^2 + 2 A_1 A_2 \cos{\varphi}} but also 2A cos(\delta/2)sin(kx-\omega t+\delta/2) How are these two equations related?

Hello Forum, in the case of two or multiple free vectors, it is easy to determine graphically (head-tail rule) the resultant vector (magnitude and direction). The resultant vector is also a free vector. A free vector is actually an infinite number of vectors with the same magnitude and...

Hi, We had a company do a pointing error analysis on a proposed pedestal system, on which is mounted a two-axis (azimuth and elevation) 6 foot parabolic dish. I estimate the distance from the rotation axis to the apex of the dish to be roughly 43 inches. Among the error sources are errors due...

Homework Statement Attached image. Homework Equations Cosine rule |F| = √(Fx2 + Fy2) The Attempt at a Solution I tried to calculate the force components in the x and y direction for both and got two expressions for R (one from each system) and made them equal each other...

Hi everyone, So I am trying to study how different types of slurry will deflect a PVC pipe. The first step in my understanding is to reduce distributed load into a resultant force. I'm assuming that the resultant force will be placed in the center of the pipe (assuming a homogeneous...

[b]1. A person going for a walk follows a path. The total trip consists of four straight-line paths. At the end of the walk what is the person's resultant displacement measured from the starting point? The books says the answer is 240 m at 237 degrees. [b] Vector A is 100m East at 0°...

A hiker begins a trip by first walking 25.0 km south east from her base camp in 8 hours. On the second day, she walks 40.0 km 60.0° north of east in 12 hours, at which point she discovers a forest ranger's tower. Determine the average velocity of the hiker Determine the resultant velocity of...

There are forces -4 and -8 Newton. If we need to find the resultant of the force we do : (-4) + (-8) = -12 N If we need to find the difference in force we do : (-4) - (-8) = +4N Are the two methods correct?

Homework Statement Point charge q1 = -5.0nC is at the origin and point charge q2 = +3nC is 3cm in the +x direction. Point P is at y = 4cm. (a) Calculate the electric fields E1 and E2 at P due to charges q1 and q2, expressed in unit vector notation. (b) Use the results from the previous...

Homework Statement A particle undergoes two displacements. The first has a magnitude of 147 cm and makes an angle of 115 degrees with the positive x axis. The resultant displacement has a magnitude of 188 cm and is directed at an angle of 29.6 degrees to the positive x axis. a) Find the...

3. In an experiment, 2.00M sodium hydroxide solution was added to 20.0mL of 1.00M sulphuric acid until the acid was just completely neutralized. What is the concentration of sodium sulphate in the resultant solution? My final answer is 0.500mol/l. Am i correct.

Homework Statement The resultant of the two forces has a magnitude of 650 lb. Determine the direction of the resultant and the magnitude of P. [See Attachment for Figure]Homework Equations Well, I only know is R^2=Fx^2+Fy^2 im still confused by this problemThe Attempt at a Solution I tried...

Homework Statement See Attachments for Figure and Given VariablesHomework Equations R^2 = Fx^2 + Fy^2 @=tan^-1 (Fy/Fx)The Attempt at a Solution I've already solved problem 1.22 I just need help at Problem 1.23 in problem 1.23 given the resultant as 4m/s, to the right I tried solving it 4^2 =...

Homework Statement http://i1345.photobucket.com/albums/p679/Duk_Bato/Untitled_zps268ea812.png http://i1345.photobucket.com/albums/p679/Duk_Bato/Untitled_zpsbae78257.png Homework Equations ƩMA = Ʃ r x F Total Force of x,y= 0 The Attempt at a Solution bi)150(0.4)+(50)(0.3)-Fsin50(0.5) =0...

Homework Statement An electric turntable 0.760m in diameter is rotating about a fixed axis with an initial angular velocity of 0.250rev/s . The angular acceleration is 0.900rev/s2 . what is the magnitude of the resultant acceleration of point on the tip of the blade at time 0.200...

Homework Statement The vertices of a quadrilateral are A(1,2,-1) B(-3,2,-3) C(4,1,-4) and D(2,-1,3). At A forces of magnitude 4, 5 and 4 are Newtons act along AB, AC, and AD respectively. Find the resultant force. Looking for more of a hint than an answer. Any help would be...

I'm sure this problem is pretty trivial to most but apologies in advance, I'm just starting out sorry. Homework Statement I'm not sure how to go about working this out due to the 800N The Attempt at a Solution F1 (800N) x-pos = 800 tan (90)?? , y-pos = ? F2 (600N) x-pos...

Homework Statement The device shown is used to straighten the frames of wrecked autos. Determine the tension of each segment of the chain, i.e. AB and BC, if the force which the hydraulic cylinder DB exerts on point B is 3.5kN Homework Equations I am trying to figure out if the...

Question: Just after the gun a sprinter of mass 65kg is pushing against the starting block with a force of 800N. The force acts at an angle of 65 degrees to the horizontal. Calculate: - the resultant horizontal force acting on her - the resultant vertical force acting on her - the...

Homework Statement I have to determine the resultant R and the moment about O. Homework Equations see the image. The Attempt at a Solution See the image.

Homework Statement Find the resultant displacement(magnitude and direction of the following vectors: 12.3m North, 45.6m East, 78.9m West, 14.7m South Homework Equations c=sqrt a^2 + b^2 The Attempt at a Solution Do you just add the vectors so the north and south added together...

Homework Statement S is a vector 24.3 units in magnitude and points at an angle of 54.8 degrees below the negative x-axis. T is a vector 18.8 units in magnitude and points at an angle of 37.7 degrees above the positive x axis. Find the resultant of the two vectors by resolving into rectangular...

Do I understand correctly that I need to find resultant moment which is measured in N*m units? 1. The railway crossing gate consists of the 110-kg gate arm having a center of mass at Ga and the 275-kg counterweight having a center of mass at Gw. Determine the magnitude and directional sense of...

Homework Statement Knowing the distance d=1.5m, determine the resultant of the loads acting on the beam shown in the attachment. Specify the point of application of this resultant on the beam. Given data: F1=100KN, l1=1m. F2=50kN,l2=1.5m. F3=60KN, l3=4m. Variables: Resultant Force R, and its...

Homework Statement A rigid vertical wall separates two liquid reservoirs. The first reservoir contains oil of density p=864 kgm-3 at a height of 6m above the ground, while the second reservoir contains water (1000kgm-3) at a height of 5m from the reservoir bottom. Calculate the resultant...

Homework Statement Four vectors A, B, C, and D are shown (not to scale). Vector A has magnitude 20.0 and acts at an angle of 12.9 degrees with respect to the positive x axis. Vector B has magnitude 15.0 and acts at an angle of 55.7 degrees with respect to the positive x axis. Vector C has...

Homework Statement I need to calculate the resultant force ##\vec{F}_R## for the following : http://gyazo.com/5f2d7aad6aaed178135909480016e04a I had another thread where I clarified a few things I hope will be good now. Homework Equations The Attempt at a Solution So first...

Homework Statement Given ##\vec{F}_1 = 22N [N]##, ##\vec{F}_2 = 38N [E 35° S]##, and the angle between them is 125° calculate ##\vec{F}_R##. Picture : http://gyazo.com/a95dc91a95639edc7f1ef21f469976d1 Homework Equations N for Newtons. The Attempt at a Solution I used ##\vec{F}_R =...

Homework Statement An archer stationed at the edge of a cliff shoots an arrow horizontally at 90ms^-1. The arrow falls down and hits a target. Assuming that the arrow is shot from a height of 20m, calculate: i. How long it takes the arrow to reach the target. (done) ii. How far...

Homework Statement If F_1 = 100N , F_2 = 120N and F_3 = 80N , determine the magnitude and coordinate direction angles of the resultant couple moment. Homework Equations M=Fd M=r x F MR=Ʃ(r x F) The Attempt at a Solution I found the couple moment for each force: M1=F1d=100(0.2) or...

In Feynman Lectures on Physics vol 2 pg.13.6-13.10 develops the equations for a current carrying wire and a moving charge ( negative test charge) with the same velocity as the electrons in the current. He looks at this situation from two reference frames, 1) the wire still and test charge and...

For 2 polynomials f,g, resultant Res(f,g) vanish if and only if f and g has at least a common root. However, is there any way to construct a coefficients polynomial of 3 polynomials f,g,h [Res(f,g,h)] that vanish if and only if f,g,h has at least a common root?

Supposing we have two objects of masses m1 and m2 repeated by a large distance and sufficiently distant from any other masses or gravitational fields. The masses are not moving relative to each other initially. The masses will eventually move together by their mutual gravitational...

Say I have a boat moving at 10 m/s south (160 degrees) ina river that is flowing at 3 m/s east (90 degrees) How would you calculate the resultant velocity in this instance?

http://imageshack.us/a/img842/2497/112639506.jpg Calculate the resultant force’s magnitude and the couple moment. Let a = 3.70 m w1=5.35kN/m w2=4.00kN/m The resultant force of the triangle is 1/2(3.70)(5.35)=9.898 kN The resultant force of the rectangle is (4)(3.70) = 14.8kN So...

http://img831.imageshack.us/img831/8005/f48am.jpg Determine the magnitude of the resultant moment produced by the forces about point O Determine the direction of the resultant moment produced by the forces about point O I first break the forces down to their components. F1x =...

Homework Statement http://postimage.org/image/466vu4yvp/ http://postimage.org/image/opdrmlv5n/ There can be more than one right answer Homework Equations α=Δv/ΔX v = v0 + αt The Attempt at a Solution Im having difficulty understanding the upward acceleration vector. Because I set the +y...

Determine the magnitude of the resultant force FR. Assume that F1 = 230 and F2 = 395 Express your answer to three significant figures and include the appropriate units. Determine the direction of the resultant force FR , measured counterclockwise from the positive x axis. I got the...

Homework Statement http://img6.imageshack.us/img6/4041/meprob210.jpg This was a plate with two bars attached / coming out of it (A and B, represented by Fa and Fb, respectively). The question says: Determine the angle of θ for connecting member A to the plate so that the resultant...

Homework Statement http://img687.imageshack.us/img687/8767/meprob27.jpg If the resultant force acts along the positive u axis, determine the resultant force and angle theta (red angle) Homework Equations law of sines pythagorean theorem, etc trig parallelogram, head to tail methods...

Homework Statement Could anyone give me an idea of how to start this problem to work out the resultant force's magnitude, direction and couple in the top (alternator) pulley? Does the 30° angle affect the equations? As all the notes I have seem to only have pulleys with the force at each...