Inclined Definition and 1000 Threads

  1. J

    Inclined ramp inside an accelerating train

    Hello, I have a question for homework. The question reads: A body of mass m=4.8 kg is standing on a ramp inclined in an angle of α=12 degrees. The static friction coeficient between the ramp and the body is μ=0.24. The ramp, which is inclined to the left, is in a train, which accelerates to...
  2. S

    Figuring out the efficiency of an inclined plane

    Homework Statement Rather than lifting a 225kg motorcycle 60cm on a truck, Samantha uses a 4m plank as an incline and only requires 345N to push up the ramp Homework Equations The Attempt at a Solution To find work output, i did .6M X 2250N giving me 1350 J To find work...
  3. X

    Efficiency of a Cart Rolling Down an Inclined Plane

    Homework Statement Alright for this thing, we had to pull a cart up a inclined plane and time how long it took to get to the bottom. Distance from ground to top of inclined plane is - 0.125m Length of Board is - 1.21m Mass of cart - 1.09kg Force to pull cart up - 1.4N Time it took for...
  4. S

    Frictional Force on an Inclined Plane: v=0

    Suppose that an object is moving up an inclined plane, then stops and after moves down. There exists frictional force. How do you represent the frictional force when v=0, when it stops? Or it has a zero value? Thanks.
  5. K

    How to find angle between two inclined plane mirrors?

    Two plane mirrors are inclined to each other at an angle. If a ray of light incident on the first mirror is parallel to second mirror, is reflected from the second mirror parallel to the first mirror then what is the angle between the two mirrors. please help me solve it.
  6. R

    Calculating Work on an Inclined Plane: A 15N Force

    Homework Statement A force of 15 N is required to pull up a body of mass 2 kg through a distance of 5m along an inclined plane making an angle of 30 degree with the horizontal. (If you need, I can give the figure with the question.) Calculate: 1)the work done by the force in pulling the body...
  7. M

    Proving Friction on an Inclined Surface

    Friction HELP! if we have a mass on an inclined surface moves with a constant velocity Prove that: µk=m/M*sec a -tan a :cry: :cry:
  8. C

    A physics problem involving an inclined plane and a block

    This is a problem that i thought up, not a homework problem! There is an incline plane of Mass Ma, whose incline is at an angle theta with the horizontal. There is a block on this incline whose mass is Mb. There is no friction or gravity. There is a horizontal leftwards force applied on the...
  9. C

    Inclined planes, mass' effect on final velocity

    Okay, so I've been working on an extended practical investigation. And I am a little stuck. Heres a brief overview: Using a ramp(always at the same angle to the horizontal), and a truck and a stopwatch, I've timed the amount of time it takes for the truck to reach the bottom of the ramp, with...
  10. A

    Calculating Time for Train to Stop Moving Up Inclined Mine

    An engine is used to pull a train of 2 cars out of a mine. The floor of themine slopes upward at an angle of 30 degrees. Each car has a mass of 10^4 kg and travels without friction. The engine can exert a max force of 1.5 * 10^5 N if the engineer trttles back so that the force exerted by the...
  11. M

    What is the Net Horizontal Force on an Inclined Ramp?

    Homework Statement A block of mass 2.1 kg is placed on a frictionless inclined ramp of mass 20.0 kg, with the angle θ= 31o as shown below. http://s4.lite.msu.edu/res/msu/physicslib/msuphysicslib/09_Force_and_Motion/graphics/prob91_plane2.gif Calculate the size of the net horizontal...
  12. J

    Acceleration on an inclined plane

    This is more a general case question than a specific problem. Say you have a box on an inclined plane and you break the forces into the components, sum the forces in Y and X. If you keep your X and Y axis' the way they usually are (don't make the X axis along the inclined plane) and the box is...
  13. R

    Tension of a rope holing a mass on an inclined plane

    Two blocks are connected by a massless string and are held in position by another massless string along a frictionless incline (as shown in the figure). Let M1 = 52.0 kg, M2 = 30.0 kg, and q = 11°. Calculate the tension in the string connecting the two blocks. so..first i am going to use...
  14. A

    How Does a Cylinder Roll Down an Inclined Plane?

    http://aixagent.com/physics/q1316.jpg Can you guys give me some problems to solve, based on the picture provided? You can choose which variables you want to be "given" -- I would just like some problems about rolling on an inclined plane to do to prepare for my final.
  15. H

    Ball collides with an inclined plane

    A ball mass m falls from height h and collides elastically with a frictionless inclined plane; the plane is a 45 degree angle with the horizontal. The first spot it collides with is p1 and then it bounces and collides with the plane again at p2. I think the ball bounce off the inclined plane...
  16. N

    Help Needed: Solving a Block Sliding Down an Inclined Plane into a Loop-the-Loop

    Hi I am working on an assignment and I honeslty am completely baffled with this question. I have no idea how to go about trying to figure it out as its purely conceptual based. If anyone has any info that might help, I am all ears. The problem is as follows and I am attaching the diagram as...
  17. L

    Solving a Block's Motion on Inclined & Horizontal Surfaces

    A block of mass 3.0 kg starts at a height 0.60 m on a plane that has an angle of 30 degrees from the horizontal. Upon reaching the bottom, the block slides along a horizontal surface. If the coefficient of friction on both surfaces is 0.20, how far does the block slide on the horizontal surface...
  18. P

    Calculating Acceleration on an Inclined Plane without Sliding

    hello,i'm having some trouble with this problem. a block with mass m,rests on a frictionless plane,inclined at angle alpha relative to the horizon. what is the acceleration 'a' of the plane,if we don't want the block to slide down the plane? here's what I've tried: the x-axis will be parallel...
  19. S

    Friction Force on Inclined Surface: How It Depends on Angle

    Hi! I have a simple question: How does the friction force that acts on a body that is laying on an inclined surface depend on the angle of the surface? Thanks.
  20. F

    How Is Downforce Calculated on an Inclined Plane Using Aerodynamics?

    How would you go about working out the downforce of an inclined plane if you know the surface area of the wing, the angle of the wing and the windspeed, and obviosly without doing anything in terms of practical work? Any help would be greatly appreciated
  21. A

    How Do You Calculate the Coefficient of Kinetic Friction on an Incline?

    A 3kg block starts at the top of a 30 degree incline and slides 2m down the incline in 1.5 seconds. a) Find acceleration of the block. b) Find the coefficient of kinetic friction between the blcok and the incline. For a) x = vot + 1/2at^2 --> a = 1.778m/s^2 For b) *here's where I'm having...
  22. C

    How Do You Calculate the Minimum Force to Prevent Sliding on an Inclined Plane?

    Here is the problem I'm having trouble with... The coefficient of static friction between the 32 kg crate and the 35.0° incline of Figure 4-34 is 0.2. What is the minimum force, F, that must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the...
  23. K

    Solving a Block and Inclined Plane Problem

    Hi, Can someone please expain how to do this problem? I have spent about an hour today on this can and still can't figure it out. In the arrangement shown in the figure, a wedge of mass m_{3} = 3.45kg is placed on a smooth horizontal surface. A small and light pulley is connected on its...
  24. K

    Conceptual question; cylinder moving up an inclined plane

    A cylinder rolls up an inclined plane, reaches some height and rolls down (withot slipping throughout these motions). The directions of frictional force acting on the cylinder are : (more than one option may be correct) (a) Up the incline while ascending and down the incline while descending...
  25. H

    2 blocks connected by a metal pull on an inclined plane

    The problem is I have two blocks on an inclined plane. They are connected by a metal rod. The bottom(2) mass provides the dominate force. Fiction is involved. They have different kinetic coefficients of friction. I need to know the acceleration of the system and the tension in the rod...
  26. S

    Which Box Will Accelerate Faster on an Inclined Slope?

    If I pull a box at a small horizontal angle (say 5 degrees) with a constant force up the slope, and pull another box with the same magnitude of force (at say 60 degrees) up, will the two boxes have the same acceleration, or will one box accelerate faster? If so, which one is accelerating...
  27. G

    Calculating Ramp Height for Hoop Rolling Up Inclined Angle

    A hoop rolls up a ramp inclined at an angle of 27. If the speed of the center of mass of the hoop is 3.5 m/s at the bottom of the ramp, what height will the hoop reach? I am just not sure how to began. I am thinking i should use work-ene theorm but then i just get stuck. i can't seem to...
  28. S

    How Does Friction Impact Work Rate on an Inclined Plane?

    An 8.0 kg block is released from rest, v1 = 0 m/s, on a rough incline, which has an angle of 40 from the horizontal. The block moves a distance of 1.6 m down the incline, in a time interval of 0.80 s, and acquires a velocity of v2 = 4.0 m/s. The average rate at which friction force does work...
  29. T

    Two Mechanics Questions: Projectile and Inclined Plane

    1) Two particles, A and B, of masses m and 2m, respectively,are placed on a line of greatest slope, l, of a rough inclined plane which makes an angle of 30 degrees with the horizontal. The coefficient of friction between A and the plane is (√3)/6 and the coefficient of frictuon between B and...
  30. P

    How Do You Calculate the Initial Velocity of a Car Skidding Up an Incline?

    I am suppose to find the initial velocity of a car before it skids to a stop. The car begins it's stop right as it is going up a road that is 20 degrees above the horizontal. The car makes a 15.2 m skid mark before it stops. The coefficient of kinetic friction is 0.60, and static friction is...
  31. mbrmbrg

    Normal force on an inclined plane

    A crate of mass m = 100 kg is pushed at constant speed up the frictionless ramp (theta= 27.0°) by a horizontal force F. What is the magnitude of the force exerted by the ramp on the crate? My x-y coordinate system has x+ pointing up the ramp. I assume that the force in question is the...
  32. K

    How to Calculate Frictional Force on an Inclined Plane?

    given the folliwng information the diagram attached shows a froce pulling a particel up an inclined slope. The force of -40j represents the weight of the particle and the frictional force down the slope has a mag of 65N.the displacement of the body AB, = (3i+4j)m. Calculate the frictional...
  33. P

    How Do You Solve Inclined Plane Problems in Physics?

    hey a while back my physics teacher attempted to teach me inclined plane problems, however he only showed me once and I understood absolutely nothing. I was hoping that some kind fellow out there might be able to help me out, either by explaining me all the possible calculations involved...
  34. A

    Inclined plane car out of gas problem

    A car traveling at 25.0m/s runs out of gas while traveling up a 22.0 degree slope. How far up the hill will it coast before starting to roll back down? i tried doing (2*25m/s)^2 / cos22*-9.8cos68 but that wasn't the right answer... ~help please?
  35. C

    Forces on an Inclined Plane Question

    Hi I have a problem that reads: A car drives downhill on a road that is inclined 20 degrees to the horizontal. At a speed on 30 m/s the driver suddenly brakes until the car stops (coefficent of kinetic friction = .8, coefficent of static friction = .9). A. When all of the wheels are locked...
  36. L

    Inclined Plane and soccer ball

    i think this is an easy question but i forgot how and the book doesn't want to tell me. can anyone tell me how to figure this out? thanks. A soccer ball is released from the top of a smooth incline. After 4.58 s the ball travels 10.8 m. One second later it has reached the bottom of the...
  37. K

    Block on Inclined Plane: The Effects of a Fixed vs. Unfixed Surface

    Hi, I recently did a problem in which a block of definite mass was placed on the top of a inclined plane which was inclined at some angle with the horizontal. The block starts to slide down. What would happen if the inclined plane was not fixed?
  38. siddharth

    Flow of a Newtonian fluid down an inclined plane.

    I'm basically reading on how the velocity profile is found for a laminar flow of a Newtonian fluid down an inclined plane surface. (x is along the incline, y is perpendicular to the incline) The assumptions being made are - The fluid is Newtonian - It's laminar - It's fully developed - It's...
  39. A

    Do Inclined Plane Calculations Use Degrees or Radians?

    The formula for calculating the force required to move an object (ignoring friction, etc.) up an inclined plane is: F = Mgsinθ Where: F = force (N) Mg = gravity (9.81m/s²) θ = angle of inclination (degrees out of 360, or radians?) The question I have is: what is used to...
  40. C

    Normal force on inclined planes.

    If a car is going up or down an inclined plane, the normal force on the car is just mg cos (theta). However, if a car is turning on an inclined curve, the normal force is mg/cos(theta). Why are the two normal forces not the same? To clarify, here is an example problem: A highway curve...
  41. D

    Solving Inclined Plane Motion: A Physics Problem

    Hey. In physics, we are studying motion, and the three laws of motion. At the moment I am having trouble with inclined planes. Take the following example for instance: "A frictionless plane is inclined at 50 degrees to the horizontal. A mass of 65kg is released on the slope. What is its...
  42. H

    Calculating Force for a Box on an Inclined Ramp

    This one's killing me: A box with a mass of 22 kg is at rest on a ramp inclined at 45 degrees to the horizontal. The coefficients of friction between the box and the ramp are u(s) = 0.78 and u(k) = 0.65. Determine the magnitude of the smallest force that can be applied onto the top of the...
  43. A

    Does a Ball Move Up or Down an Inclined Plane?

    Is the motion of a ball on an inclined plane mean the ball is going up the inclined plane or down the inclined plane? The question goes as follows The motion of a ball on an inclined plane is described by the equation . Which of the following quantities must have a value of zero? xi...
  44. W

    Solving the Problem of a Block Sliding Up an Inclined Plane

    I have a question about this problem: "A block is given an initial velocity of 5.00 m/s up a frictionless 20.0(degrees) incline. How far up the incline does the block slide before coming to a rest?" The book gives a clue stating that mgx = -mgsin20.0 and mgy=-mgcos20. My question is...
  45. J

    Friction problem on inclined plane

    Alright, I have another question that I want to make sure I did correct. The question is "an objec of mass m is at rest on a rough inclined plane with height h, length 8 m, and which makes an angle of 30degrees with the horizontal. The object is allowed to move and it stops on a rough horizontal...
  46. D

    Need help with Trigo: Inclined Plane and Force

    A 230-Newton box rests on a plank 5 meters long. One end is 1.20 meters higher than the other end. Find the components of the force the box exerts: a) parallel to the inclined plane b) perpendicular to the inclined plane
  47. Amith2006

    How Do You Calculate the Angle for a Reflected Ray to Become Vertical?

    Inclined mirror problem Sir, Please see if it is right. 1)A ray of light makes an angle of 10 degrees with the horizontal and strikes a plane mirror which is inclined at an angle y to the horizontal. What is the angle y for which the reflected ray becomes vertical? I solved it in the...
  48. I

    What is the Power Calculation for Moving Up an Inclined Plane at Constant Speed?

    Please could you help me find some equations that can be used to calculate the power needed to accelerate up an inclined plane and also the power needed to travel up an inclined plane at a given speed? Ignoring rolling resistance, aerodynamic drag, mechanical loss and the force needed to spin...
  49. P

    Two Masses, a Pulley, and an Inclined Plane help

    Block 1, of mass m1, is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, as shown. Assume that the blocks accelerate as shown with an acceleration of magnitude a and that the coefficient of kinetic friction between block 2 and the plane is mu. Find the...
  50. B

    Help Problem on INCLINED planes.

    Hello, here is the question. Two masses, 4.0 kg and 6.0 kg, are connected by a “massless” rope over a “frictionless” pulley as pictured in the diagram. The ramp is inclined at 30.0º and the coefficient of kinetic friction on the ramp is 0.18...
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