What is Resolving forces: Definition and 36 Discussions

Operation Inherent Resolve (OIR) is the U.S. military's operational name for the International military intervention against ISIL, including both a campaign in Iraq and a campaign in Syria, with a closely-related campaign in Libya. Through 18 September 2018, the U.S. Army's III Armored Corps was responsible for Combined Joint Task Force – Operation Inherent Resolve (CJTF—OIR) and were replaced by the XVIII Airborne Corps. The campaign is primarily waged by American air forces in support of local allies, most prominently the Iraqi security forces and Syrian Democratic Forces (SDF). Combat ground troops, mostly special forces and artillery, have also been deployed, especially in Iraq. 75-80% of the airstrikes have been conducted by the military of the United States, with the other 20-25% by the United Kingdom, France, Turkey, Canada, the Netherlands, Denmark, Belgium, Saudi Arabia, the United Arab Emirates, and Jordan.According to the Pentagon, by March 2019, the day of the territorial defeat in Syria of the Islamic State of Iraq and the Levant (ISIL), CJTF-OIR and its partner forces had liberated nearly 110,000 square kilometers (42,471 square miles) of land and 7.7 million people from ISIL, the vast majority of the self-proclaimed caliphate's territory and subjects. By October 2017, around the time of ISIL's territorial defeat in Iraq, CJTF-OIR claimed that around 80,000 ISIL militants had been killed by it and its allies (excluding those targeted by Russian and Syrian Air Force strikes). By the end of August 2019, it had conducted 34,573 strikes. Tens of thousands more were killed by partner forces on the ground (the SDF alone claimed to have killed 25,336 ISIL fighters by the end of 2017).

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  1. Grizzly_1

    The advisory speed for a car on a sloped bend

    Hello all, I am sadly stuck on the last part of a circular motion question sheet I was given for homework. I have a mark-scheme with me, but it has actually given me more questions than answers. I have attached my working, and how I arrived at my answer, and the differences it has with the...
  2. shk

    Predicting Landing Point on a Moving Train: Exploring Forces and Motion

    I need help with the following question please. I understand that the person carries on in straight line while is jumping. This is because there is no horizontal force acting on him so based on Newton's first law of motion he continues with the previous speed. I know he should land on A or B...
  3. B

    Resolving forces in the direction perpendicular to a line

    Hi I'm very stuck on what to do for these 2 questions I got wrong Can someone please help me on what triangle I need to sketch out in order to find the 2 components of forces for F1 and F2. I'm assuming you have to make use of the sine or cosine rule here I'd be grateful for any help given...
  4. wcjy

    Rotational dynamics: Resolving forces

    Resolving the weight of the cylinder c, i get Mgcosθ (-y) and Mgsinθ (-x) mgsinθ - Fs - T = ma ---(1) (where Fs is frictional force and T is tension) τ = I α (where τ is torque and α is angular acceleration) torque is produced by both tension and frictional force (T-Fs) * r = 0.5 m r^2 α...
  5. thebosonbreaker

    Resolving forces: Mass on a string

    Homework Statement A mass of 50 grams hangs in equilibrium on a string. The mass is pulled aside and upwards by a force of 0.3N which makes an angle of 30° with the horizontal. Find the angle that the string makes with the vertical and the tension in the string. Homework Equations Body is in...
  6. P

    Question about resolving forces

    Homework Statement On a model ship, the mast OC has length 50 cm and weight 20 Newtons. The mast is hinged to the deck at O, so that it can rotate in the vertical plane of the ship. Small smooth rings are fixed at points A and B on the deck in this plane such that AO=OB=50 cm. Threads from C...
  7. SmamMir

    System of equilibrium, why won't the normal force apply?

    Homework Statement Homework EquationsThe Attempt at a Solution I've resolved all the relevant forces (tension, weight, normal force), but upon looking at the mark scheme, there is no normal force to be resolved. Forgive me if I'm missing out on something obvious, but shouldn't there be a...
  8. thebosonbreaker

    Resolving forces involving an elastic string

    Homework Statement A light elastic string of natural length 0.3m has one end fixed to a point on a ceiling. To the other end of the string is attached a particle of mass M. When the particle is hanging in equilibrium, the length of the string is 0.4m. (a) Determine, in terms of M and g (take g...
  9. R

    Resolve Forces Homework: Magnitude & Direction

    Homework Statement Determine the magnitude of the resultant forces and direction of the resultant as measured clockwise from the positive x axis. Homework EquationsThe Attempt at a Solution Please help. I have entered my answers into masteringengineering.com and it keeps telling me my answers...
  10. Issy04

    Resolving forces in equilibrium on inclined plane

    Homework Statement Solve for the forces P and N acting on an object in equilibrium on an inclined plane. Weight=10N, angle is 30 degrees http://blob:https%3A//www.physicsforums.com/d431a152-5681-411b-ba57-809320539165 Homework Equations Trigonometry, i.e. sin, cos, tan rules. The 'Z' rule...
  11. Y

    Problem resolving forces into components

    I have problems with this question: This is how I resolved v into its components (Vr and Vtheta): So with this I get Vr = - V cos theta Vtheta = V sin theta However in my solution booklet the components are the other way around (Vr = - V sin theta, Vtheta = V cos theta) and I cannot...
  12. E

    Resolving Forces question applied force and friction force

    Homework Statement In earlier days, horses pulled barges down canals in the manner show in the figure below. Suppose that the horse pulls on the rope with a force of 7900N at an angle of 18 to the direction of motion of the barge, which is headed straight along the canal. The mass of the...
  13. D

    Resolving forces in 7 member bridge help

    http://imageshack.us/photo/my-images/853/bridgel.png/ I don't answers course just some guidance. I need to find the forces at each joint, and stresses inbetween too. I've calculated the reaction forces by taking moments as 779N at far left and 692.5N at far right. Now I'm using trig of...
  14. A

    Resolving Forces to Ensure Motor Strength: A Screw's Tale

    So I have a motor and this motor will turn a screw and bring a platform down to expose fairings during rocket flight. The platform is connected to the fairings. Due to drag pushing the fairings down there will be an upwards force pushing the platform against the screw holding it down. The...
  15. M

    Doubt in resolving forces of a man in an elevator(normal force and weight)

    (Before I start, due to the use of vectors let me state I consider up to be positive and down to be negative) Imagine a scenario, of a man in an elevator. And the elevator is accelerating upwards. Now in this case the Normal force > weight. So Normal Force - Weight =mass X acceleration. If...
  16. M

    Resolving forces and finding from the resultant

    Homework Statement Three forces: F1, F2 and the other with a magnitude of 40 N act on the ring bolt as shown in Fig. C.1. The resultant, R, has a magnitude of R = 180 N and acts at an angle of 80° anti-clockwise from the x-axis. Determine the magnitudes of F1 and F2. Homework Equations...
  17. FeDeX_LaTeX

    Resolving Forces Homework: 4\frac{d^{2}x}{dt^2} + 12\frac{dx}{dt} + 9x = 0

    Homework Statement A particle P of mass 4 kg moves along a horizontal straight line under the action of a force directed towards a fixed point O on the line. At time t seconds, P is x metres from O and the force towards O has magnitude 9x Newtons. The particle P is also subject to air...
  18. M

    Resolving forces using Compatibility of Displacements?

    Homework Statement A pin-jointed frame (diagram attached) is formed of steel rods of 10mm diameter with member AC being 2m long. If a load of 50kN is applied at A as shown, determine the deflection of A and the force in the three rods. Take E = 200kN/mm^2. Homework Equations FA→B =...
  19. S

    Resolving Forces: Solving for Unknowns in Mechanics Problems

    Homework Statement I'm struggling with question 6 and 7 on this exercise. I have no idea where to start so basic help would be needed to get me started. Thanks!
  20. D

    Resolving Forces for Composite Shape: Cone with Attached Ring | Mass: 52kg

    Homework Statement there is a composite shape (cone with ring attached at open end) total mass 52kg,cone m=22kg, ring=30kg find the 2 forces acting vertically upwards. the shape is lying on its side 21deg from the horizontal. Homework Equations (xtotal x mtotal) = (xcone x mcone) +...
  21. T

    Resolving Forces - Shear and Bending Moment -

    Resolving Forces - Shear and Bending Moment - :) Homework Statement The data table and associated questions are rather complex, if you have the time it would be much appreciated if you could have a look at the attachment and provide me with a solution or point me in the right, i just can't...
  22. F

    Resolving forces, should be simple

    Homework Statement Two cylinders of equal radii each have weight W. They are at rest on a smooth slope of inclination A° to the horizontal, the lower of the two cylinders being in contact with a smooth vertical wall as shown in the diagram. Find, giving your answer in terms of W and A°, the...
  23. K

    Resolving Horizontal Force F: Explanation and Process

    Ok, this is a stupid question, but which way can I resolve the force F acting horizontally? [PLAIN]http://img843.imageshack.us/img843/2646/vectorsw.jpg If I want to resolve the force F along the black member, then why does force along the black member if resolved using the blue triangle...
  24. K

    Resolving Forces in 3D - Statics

    1. Three guy wires hold a pole BO as shown. The resultant R of the forces due to the three wires has a magnitude of 1000-N and is directed on the pole BO. Force F2 and F3 have a magnitude of 400-N and 500-N, respectively. The distance from point A to point D is 5-m. Find the tension in cable...
  25. L

    Why Do My Calculations for Tension Differ from Expected Results?

    This is irritating me so much, if you guys could help that would be great. there is a mass hung from a celling. two wires connect to one wire which connects to the mass. i have resolved the forces as follows : Fx=0= -T1cos37 + T2cos53 Fy=0=T1sin37 + T2sin53 – T3 T3 = 125N as this is...
  26. P

    Resolving Forces Homework Help | Mike's Question

    Homework Statement Hi there I have attached a copy of the question to this post. I have never come across this, and don't really know where to start. Any pointers much appriciated. Thanks in advance, Mike Homework Equations The Attempt at a Solution
  27. X

    Complicated mechanics resolving forces and angles question

    Homework Statement An object has a weight of 20N. It is supported by three strings to keep it in equilibrium, all attached to a smooth ring on the object. String A has a tension of 15N to the right of the block. String B is (a)degrees away from string A and String C is 90degrees away from...
  28. S

    Resolving Forces: F/cos(fi) & Ftan(fi) Explained

    Hi, Attached is a link to an image: http://i423.photobucket.com/albums/pp315/skaboy607/Image.jpg Probably a very easy question but I can't work out how they get the vertical and horizontal reaction forces to be F/cos(fi) and Ftan(fi). Any help would be most appreciated. Thanks
  29. M

    Resolving forces on a hydraulic frame - method of sections?

    Hi guys, I want to check that I am going about this problem in the right way: The attached image shows a parallelogram type frame with a hydraulic ram located from corner to corner as shown (E to C). There is a load applied to a platform in the far bottom right hand side of the drawing...
  30. M

    Resolving forces on Hydraulic Parallelogram frame

    Hi guys, I want to check that I am going about this problem in the right way: The attached image shows a parallelogram type frame with a hydraulic ram located from corner to corner as shown (E to C). There is a load applied to a platform in the far bottom right hand side of the drawing...
  31. G

    Resolving Forces Homework: Pin Frame BCFGD

    Homework Statement Hi guys, i hope this is posted in the right area, i have been struggling on the following question. Sorry about the diagram but i don't have a scanner I have a pin frame BCFGD and need to resolve the forces. It is attached to a wall at B and F. There is a negative force...
  32. H

    Resolving Forces: Acceleration & Speed of 4kg Block on Inclined Plane

    Homework Statement A block of wood of mass 4 kg is released from rest on a plane inclined at 30 degrees to the horizontal. Assuming that the surface can be modeled as smooth (no friction) calculate the acceleration of the block, and its speed after it has moved 3m Homework Equations...
  33. H

    Resolving forces of a particles in equi

    Homework Statement Forces of magnitude 4N, 5N and 8 N act on a particle in directions whose bearings are 000° , 090° and 210 ° respectively. Find the magnitude of the resultant force and the bearing of the direction in which it acts http://img251.imageshack.us/img251/6527/87818117yf6.jpg...
  34. B

    Resolving Forces and Calculating Rotational Inertia of Assemblies

    1. Homework Statement : In the figure, a stationary block explodes into two pieces L and R that slide across a frictionless floor and then into regions with friction, where they stop. Piece L, with a mass of 2.2 kg, encounters a coefficient of kinetic friction µL = 0.40 and slides to a stop in...
  35. C

    Resolving Forces: Find Magnitude & Angle w/ Ox

    Hi. Could someone please show me how to draw the diagram for the following question as I am really stuck. I would really appreciate any help. I have already drawn a diagram but must have labelled the forces incorrectly as my subsequent answers do not match the ones in the back of the...
  36. J

    Taking Moments About a Point and Resolving Forces

    Hi, I have my first year university exam coming up soon and this type of question seems to feature quite prominently in the past paper questions we are given where I have to take moments about a point and also resolve forces horizontally and vertically. I suppose the best way to show you would...