Resultant Definition and 505 Threads

  1. J

    How to Calculate Average Resultant Force?

    [SOLVED] Average Resultant Force Hi for this question http://tinyurl.com/3cbxlq What I try is Average Force =(mv-mu)/t =2000(6-4)/4 =1000 but this is not one of the answers. Meaning it is wrong. May I know how to do this question?
  2. B

    Need help w/ arranging resultant vector with 3 other vectors. D:

    Homework Statement Find the vector combination R = A + 2B - C. Grid lines are separated by 1 cm. When you submit your answer the third vector that you drew may disappear, but if you are correct you will have a green check mark near the grid. (Mac OS X use Netscape, Windows use IE.) A scratch...
  3. P

    What is the resultant torque about the hinge?

    Homework Statement What is the resutant torque about the hinge? known data: CCW force 280N, CW force 400, see diagram attached for all data. All red drawings are done by me. Black is the original problem. Homework Equations M = F * perpendicular distance D. The Attempt at a...
  4. C

    Calculate the Resultant Vector of 3D Vectors

    Homework Statement I am having a tough time finding the resultant vector of the the following three dimensional vector: d1x=2.33 cm, d1y= 3.84 cm, d1z= -1.2cm d2x=3.41 cm, d2y= -1.01 cm, d2z = -3.29 cm d3x= -1.04 cm, d3y= 1.93 cm, d3z = 0 cm Find the resultant vector magnitude...
  5. M

    What Is the Resultant Force When Two People Pull on Ropes Attached to an Object?

    two ropes are attatched to a heavy object. the ropes are given to two strong people with instructions for each to pull with 1000N of force. what is the total resultant force if the two women pull.. in the same direction_________F=2000N in opposite direction__________F=0N at right angles...
  6. B

    Calculating Resultant Velocity of Airplane in Different Wind Conditions

    Homework Statement **calculate the resultant velocity of an airplane that normally flies at 200km/h if it encounters a 50km/h tailwind. IF it encounters a 50km/h headwind. its obvious that each would either slow down the plane or speed it up but i don't know how
  7. A

    How Do Resultant Velocity Vectors Determine Sailboat Movement?

    [SOLVED] Resultant Velocity Vectors Here is the problem: The force exerted by the wind on a sailboat is approximately perpendicular to the sail and proportional to the component of the wind velocity perpendicular to the sail. For the 700 kg sailboat shown in Figure P4.54, the proportionality...
  8. B

    Resultant Force magnitude of the acceleration.

    I can't seem to figure this problem out... Three forces in the x-y plane act on a 3.70 kg mass: 14.50 N directed at 478.0°, 11.00 N directed at 117.0°, and 10.70 N directed at 222.0°. All angles are measured from the positive x-axis, with positive angles in the counter-clockwise direction...
  9. H

    Vectors (Direction of Resultant Displacement)

    Homework Statement A disoriented car drives a distance 3.05 km north, then a distance 4.55km west, and then a distance 1.40 km south. Find the magnitude of the resultant displacement, using the method of components. Find the direction of the resultant displacement (in West of North...
  10. T

    What is the formula for determining the resultant force on a charge?

    Homework Statement 1. A charge A of -5 µC has two nearby charges: +3.0 µC at a distance 0.3 m vertically above it, and +4.0 µC at a distance of 0.4 m horizontally. Find the magnitude of the force in Newton on charge A. Hint: find the vertical and horizontal components, then add these vectors...
  11. E

    Circular motion with friction and banking - resultant forces

    Homework Statement A car travels 76 m/s around a circular track with a 111 m radius. The car's mass is 2500 kg, the track is angled at 21°, and the coefficient of friction is 0.18. What is the magnitude of the resultant force on the car and driver, expressed as kN? The Attempt at a Solution...
  12. M

    How Do You Calculate the Force Needed to Move a Block Across the Ground?

    Homework Statement Hi, The question I am a bit confused about is this: A block is dragged across the ground by a light cable,attached to a winch. Th block is initally at rest. Information given: Volume: 6m³ Density 2875 kg/m³ Coefficent of friction between block and the ground: 0.4...
  13. P

    Ferry Captain: Finding Direction & Resultant Velocity

    Homework Statement A ferry captain wishes to travel directly across a river. A current of 4km/h is flowing and the ferry can travel at 8km/h. a) In what direction should the captain direct the ferry? b) What is the resultant velocity of the ferry as seen by someone standing on the...
  14. E

    How to calculate resultant vector angle?

    1. A person walks in a path which consists of four straight lines at different angles and lengths as seen in the attached image. http://img253.imageshack.us/img253/244/problemlt5.gif The first part of the problem was to find the resultant displacement which was found to be 512.8. The second...
  15. B

    Resultant Couple and direction angle

    Homework Statement Ok, I have 3 couples applied to a bent bar. The axis is with the z going up, y left and right, and the x basically out of the page(or kinda to the left a bit). The pipe goes 28in to the right(on y axis), where the pic show a 100lb force pointing down from the +z...
  16. B

    What are the forces Fu and Fv given the Resultant(R)?

    Homework Statement Two forces applied to a bracket, Fu and Fv. The Resultant(R) of the two forces has a magnitude of 725 lb and a direction shown in my pic. Determine the magnitude of the two forces(Fu and Fv). Homework Equations So far, I've just used law of Sines, but I'm sure...
  17. B

    Finding Resultant & Angle of Homework Statement

    Homework Statement I've got to determine the resultant(R) and the angle between the x-axis and the line of action of the resultant. My picture(don't know how to draw on here), is two vectors, with one pointing into quad 1, and the other into quad 2. For the right one, It is given...
  18. J

    Resultant Wave Shape When 2 Semicircles Meet

    when two waves, one as a crest, one as a trough meet in the middle, a destructive interference happens right? then if you have a semicircle on top and a smaller semicircle at the bottom, what would the resultant wave look like? I know that you have to take the height of the smaller semicircle...
  19. B

    Ratio of Resultant Wave to Common Amplitude: Pi/2 Rad Out of Phase

    Two identical traveling waves, moving in the same direction, are out of phase by Pi/2 rad. (a) What is the ratio of the amplitude of the resultant wave to that of the common amplitude of the waves I'm having trouble with this problem because I feel like I'm not given enough information...
  20. P

    How Do You Calculate Thrust and Resultant Force for Saturn V Rockets?

    Guys got this question and couldn't do it. The Saturn V rockets which launched the Apollo space missions had the following specifications:(look at attached pic) Caulculate i) the force(thrust) produced at lift ii) the resultant force acting on the rocket at lift-off
  21. T

    Calculating Resultant Velocity for Two Equal Velocities at Right Angles

    can someone help me with this question: Calculate the resultant velocity of a pair if 100 km/h velocities at right angles to each other i don't even understand what the question is asking me
  22. S

    Need Help With Trig Problem: Finding Resultant Vector

    Hey guys! I feel like I should know how to do this problem from Trig, but I am totally blanking out right now. We have to find the resultant from the vectors that he has given us. One of the vectors is lying on the negative x-axis. How do I find cosine and sine when the line is on the x-axis...
  23. A

    Calculate Resultant Force of Charges on Rectangle

    http://img424.imageshack.us/img424/6972/showmeks9.gif Four charges are placed on the corners of a rectangle. What is the resultant force on the positive charge (a = 1.1 m, b = 0.7 m, q = 2.4 × 10-9C)? So you need to break this into X and Y, for Hypotnuse i got 1.303 So wat i did...
  24. B

    Resultant displacement and angle

    While exploring a cave, a spelunker starts at the entrance and moves the following distances. She goes 69.7 m north, 246.8 m east,127.4 m at an angle 37.8 (degrees) north of east, and 127.4 m south. What is the resultant displacement from the cave enterance? The angle should be positive between...
  25. R

    What is the method for finding the resultant of displacement vectors?

    Problem: Find the resultant of the three displacement vecotrs in the drawing by means of the component method. The magnitudes of the vectors are A = 5.00 m, B = 5.00 m, and C = 4.00 m. http://img179.imageshack.us/img179/6690/picturels2.jpg <-- there's the picture. I found the...
  26. V

    HELP This has to do with magnitude, resultant, and angles Please answer

    HELP! This has to do with magnitude, resultant, and angles! Please answer! This is due by 10:30 p.m. so please help me by then!:cry: here it is: 3. [Giancoli6 3.P.010.] Three vectors are shown in Fig. 3-32 (A = 68.0 , B = 54.0°). Their magnitudes are given in arbitrary units. Determine...
  27. V

    How do I resolve the moments into vectors and forces?

    Hi everyone. I have this problem and I don't even know how to start it! If you are familiar with my previous posts, you know that I usually have most of a problem completed before posting here with my difficulties, however, I cannot even start this one! I don't think there is enough...
  28. K

    Magnitude and direction of the resultant force

    1. Three ropes are tied to a box and three boys exert the following forces: F1=220 N @ 90 degrees F2=185 N @ 165 degrees F3=235 N @280 degrees Determine the magnitude and direction of the resultant force. For my solution I made a Vector Componant table, found the total force on the x...
  29. S

    Calculating Resultant Velocity: Plane Encounter with Wind

    A plane flying at 125 m/s [south] encounters a storm that changes its course due to the wind blowing 25 m/s 30 degrees N of E. What is the plane's resultant velocity? How would you draw the wind's component?
  30. C

    Determine Resultant Vector: Non-90deg Triangle Problem

    Ok I know how to mathematically find the resultant vector in any problem where they form a triangle with an angle of 90 degrees. But what do you do when you don't have a 90deg triangle? The problem: Determine mathematically the resultant of this system of forces F1 (100 N, 30deg) F2 (150 N...
  31. A

    Fiding resultant moment about a given point?

    Hello! I have started with AS level physics this school year and our teacher has set us some prep over half term and there is one question on there that I do not understand. I have attached the question to this post. The problem with this question is that it is the first question he ever set...
  32. I

    How to find resultant for 3 given vectors

    We were given this problem over the weekend, but our teacher never explained how to do it and we have a quiz on vectors tomorrow and it may be on it. I tried, but couldn't get it... - Find the resultant of the three vectors A=(-4.0 m) on x-axis + (2.0 m) on y-axis, B= (6.0 m) on x-axis + (3.5...
  33. C

    How to get mag. & angles of resultant couple moment

    I have another thread for another problem, but no one seems to be responding about this second problem, so i'll post it here. Need to find the magnitude and direction/space angles of the resultant couple moment of two valve handles being turned, as pictured...
  34. I

    What is the magnitude of the resultant between these two vectors?

    Vector A has a magnitude of 10 units and makes an angle of 30° with the horizontal x-axis. Vector B has a magnitude of 25 units and makes an angle of 50° with the negative x-axis. What is the magnitude of the resultant between these two vectors? I'm not sure how to do this one. Are you...
  35. M

    What is the Resultant Force on a Car with Two Differently Angled Forces?

    Two forces are applied to a car in an effort to accelerate it. one is 450N and is applied noth of west at a 10 degree angle and the other is 380N, applied north of east at a 30 degree angle. What is the resultant of these two forces? I attatched a file to provide a visual aid even though it's...
  36. C

    Calculate Resultant Force on Positive Charge in Rectangle with 4 Charges

    Four charges are placed on the corners of a rectangle. What is the resultant force on the positive charge (a = 1.3 m, b = 0.8 m, q = 1.8 × 10-9C)? HELP: Use Coulomb's law and superposition. HELP: Superposition tells us that we can find the force on the positive charge by looking at the...
  37. K

    Find the resultant vector made by 115 km at 80 degrees and 85 km at 15 degrees

    I have worked and worked at this problem and it is just not clicking. It is now that I wish geometry would have made sense to me. I am trying to find the resultant vector made by 115 km at 80 degrees and 85 km at 15 degrees. I have been using the graphing method my teacher showed me. I...
  38. M

    Determining the electric field at point a and b, stuck on finding resultant E

    Hello everyone, I'm having problems finding The resultant intensity at point b, i know its the vector sum of E1 and E2. q1 = -6x10^-9; q2 = 6x10^9 they are 12cm apaprt. Determine the electrict field at A and B, i already figured out A. This is the free body diagram. ^ E2 ..\ ...\...
  39. G

    Resultant Force of 2 Forces on Particle P (3kg)

    A particle P od mass 3kg moves under the action of two constant forces (6i+2j) and (3i-5j). How can i work out the resultant force F? This question is worth one mark, so I assume there must be a very simple method, but I can't think of any. Please help
  40. T

    Resultant Vector for Two 66m Magnitude Vectors

    what would the resultant vector be for two vectors both 66m in magnitude that look like this: /__ be?
  41. G

    Calculating Resultant Velocity with Vector Diagrams

    Is the result of a horizontal velocity and a vertical velocity caluculated by a vertor diagram whereby the resultant velocity is at 45 degrees from the horizontal? If not, is is something to do with angles, please explain!
  42. G

    How do i workout the resultant force and direction?

    The angle between a 40N Force and a 70N is 60 degrees...how do i workout the resultant force and direction?
  43. Z

    Adding/Subtracting Vectors - Resultant Magnitude Change?

    Ok, my question is, if you have 2 vectors added together a+b, could the magnitude of the resultant change if u subracted a-b? say a was any magnitude at 0 degrees. and b was any magnitude say 170 degrees. if u subtracted b it would go opposite direction southeast making the resultant much larger...
  44. K

    Determine the magnitude and direction of the resultant force

    Three forces act simultaneously on point J. One force is 20.0 N north; the second is 20.0 N west; the third is 20.0 N 60° east of north. Determine the magnitude and direction of the resultant force. I need help with this problem. I know you can figure this out by putting it on a graph and...
  45. M

    Resultant velocity of a plane and a vector addition diagram

    --An airplane flies at 300 km/hr with a heading of 35* south of west, as a 78 km/hr wind blows in the direction of 55* south of east. The resultant velocity of the plane is... --A force of 85 N S50*E, a force of 50 N N45*E, and a force of 70 N N30*W act concurrently on an object. Draw a...
  46. K

    Calculating the Resultant Force at J

    Three forces act simultaneously on point J. One force is 20.0 N north; the second is 20.0 N west; the third is 10.0 N 60° east of north. Determine the magnitude and direction of the resultant force.
  47. J

    Determine the resultant internal loadings in the crane

    QUESTION: The boom DF of the jib crane and the column DE have a uniform weight of 50 lb/ft. If the hoist and load weight 300 lb, determine the resultant internal loadings in the crane on cross sections through points A, B, and C. (Diagram and answers are attached) I'm just hoping someone...
  48. D

    Understanding Resultant: When is a Resultant Zero in First Quadrant Vectors?

    When is a resultant zero? When three vectors are on the first quadrant of an x-y coordinate system does that resultant be zero?
  49. K

    Resultant displacement with multiple segments

    I have to displacement problems that i can't get right. While John is traveling along a straight interstate highway, he notices that the mile marker reads 233. John travels until he reaches the 155-mile marker and then retraces his path to the 172-mile marker. What is John's resultant...
  50. B

    Help with Combining Vectors: Find Resultant and Angle

    Hey guys, boggled again :confused: need some help. And by the way, thanks to everyone who helped out on the last question...much appreciated! Combine the following two vectors to find the resultant vector. Vector A = 7.4 units at 30 degrees and Vector B = 11.1 units at 120 degrees A...
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