Inclined plane Definition and 822 Threads

  1. I

    Rotational Motion (Inclined Plane)

    [SOLVED] Rotational Motion (Inclined Plane) Hi Everyone! My question is: A solid cylinder and a solid sphere are resting on top of a inclined plane. Using mathematics, which object would reach the ground first. Given: I (cylinder) = 1/2mr ^2 and I (sphere) = 2/5 mr ^2. I know that the...
  2. G

    How to Solve an Inclined Plane Problem: Finding Mass with Acceleration and Angle

    [SOLVED] Inclined Plane Problem Homework Statement A box is accelerating down an inclined plane at a rate of 2m/s/s. If the plane is angled at 40degrees, what is the mass? Homework Equations a=F net/m The Attempt at a Solution I have absolutely no idea how to go about solving this...
  3. A

    Another friction and inclined plane question.

    Homework Statement you push a 325 Newton trunk up a 20 degree inclined plane at a constant velocity by exerting a 211 Newton force parallel to the planes surface. a. what is the component of the trunks weight? b. what is the sum of all the forces parallel to the planes surface? c. what...
  4. A

    PHYSICS. friction and the inclined plane. PLEASE HELP i dont understand =\

    [SOLVED] PHYSICS. friction and the inclined plane. PLEASE HELP! i don't understand =\ Homework Statement a skier stands at the top of a slope. the skier is able to remain stationary on a horizontal surface without using her poles. she can remain stationary until there is an incline of 6...
  5. S

    Friction on a black on an inclined plane

    Homework Statement A block of mass 2kg is on an inclined plane and held steady. The coefficient of static friction u between the block and the plane is 0.5. Determine whether or not the block moves when released if the angle the plane makes with the horizontal is (a) 20 degrees...
  6. K

    Drag Force and Power on an inclined plane

    Homework Statement A 710 kg car drives at a constant speed of 23 m/s. It is subject to a drag force of 500N. What power is required from the car’s engine to drive the car a. on a level ground? b. up a hill with a slope of 2.0 0? Homework Equations P=Fv The Attempt at a...
  7. K

    Projectile with friction on an inclined plane

    Projectile motion with friction on an inclined plane -- PLEASE HELP! Homework Statement A 2.0 kg wood block is launched up a wooden ramp that is inclined at a 35* angle. The block’s initial speed is 10m/s. (Given that μk = 0.20) a. What vertical height does the block...
  8. C

    Finding the Net Force on a Box on an Inclined Plane

    Homework Statement A box of mass, m, is on a plane inclined at an angle, q, relative to the horizontal. The coefficient of kinetic friction between the box and the incline is uk, and the body is accelerating down the incline. What is the net force on the body? The Attempt at a Solution...
  9. T

    Confusion over an Inclined Plane Question

    Homework Statement A box of textbooks of mass 25.0 kg rests on a loading ramp that makes an angle "a" with the horizontal. The coefficient of kinetic friction (muk) is 0.230 and the coefficient of static friction (mus) is 0.340. a) As the angle "a" is increased, find the minimum angle at...
  10. B

    How Far Will a Block Slide Up an Incline Before Stopping?

    Homework Statement A block with mass m = 23.4 kg slides down an inclined plane of slope angle 31.1 o with a constant velocity. It is then projected up the same plane with an initial speed 1.50 m/s. How far up the incline will the block move before coming to rest? Homework Equations...
  11. B

    How Do You Calculate Mass M1 in a Frictional Inclined Plane Pulley System?

    Homework Statement M1 and M2 are two masses connected as shown. The pulley is light and frictionless. Find the mass M1, given that M2 (6.50kg) accelerates downwards at 3.27m/s2, that the angle theta is 20.0o, and that muk is 0.340. Homework Equations F=ma The Attempt at a...
  12. T

    Block sliding down an inclined plane and gravity

    Homework Statement There is a 5.0kg block sliding 1.5m down an inclined plane 12 degrees from the horizontal. the coefficient of kinetic friction is 0.310. Whats is the work done on the block by friction and gravity? Homework Equations F=ma, W=fd, fk=uk*N The Attempt at a Solution...
  13. J

    Two masses on an inclined plane with a massless pulley

    Homework Statement A block of mass m resting on a 20 degree slope. The block has coefficients of friction mu_s =0.80 and mu_k =0.50 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kg. What is the minimum mass m that...
  14. M

    Solving Inclined Plane w/ Frictionless Box: Find Accel & Force

    Homework Statement (a) A box is placed on an frictionless inclined plane with an angle of 18° from the horizontal. The box has a mass of 35 kg, what is the magnitude of the acceleration of the box along the inclined plane? (b) What magnitude of force would you need to apply to the box in...
  15. J

    Newton's Laws: Friction: Inclined Plane

    My main question: Given an angle of incline, x, how can you find the coefficients of static and kinetic friction? Is it possible? My homework problem is: Someone wearing leather shoes is standing in the middle of a wooden plank. One end of the board is gradually raised until it makes an...
  16. B

    Calculating Forces on an Inclined Plane

    Homework Statement A block weighing 73.7 N rests on a plane inclined at 24.3° to the horizontal. The coefficient of the static and kinetic frictions are 0.28 and 0.11 respectively. A.) What is the minimum magnitude of the force F, parallel to the plane, that will prevent the block from...
  17. B

    Inclined Plane and sliding block

    Homework Statement The velocity of a 2.10 kg block sliding down a frictionless inclined plane is found to be 1.13 m/s. 1.00 s later, it has a velocity of 4.13 m/s. What is the angle of the plane with respect to the horizontal? 2. The attempt at a solution I drew a diagram and...
  18. E

    Calculating Final Speed of 2.00kg Block of Ice Sliding Down Inclined Plane

    Homework Statement A block of ice with mass 2.00kg slides 0.750m down an inclined plane that slopes downward at an angle of 36.9degrees below the horizontal. f the block of ice starts from rest, what is its final speed? You can ignore friction. Homework Equations F=ma, trig...
  19. E

    Block of ice sliding down inclined plane - final speed

    Homework Statement A block of ice with mass 2.00kg slides 0.70m down an inclined plane that slopes downward at an angle of 30degrees below the horizontal. If the block of ice starts from rest, what is its final speed? Homework Equations W = 1/2(m)(v2)^2 - 1/2(m)(v1)^2 The Attempt at a...
  20. C

    Inclined plane projectile problem from dynamics course

    Homework Statement the 2 kg ball is fired from point a with an Vo of 10 m/s up the smooth inclined plane. The angle is 37 degrees, it gives me the planes dimentions the ball rolls on, it is 1.5 m high and 2 m wide. It asks the distance in the x it lands. Also the velocity with which it...
  21. R

    What is the Acceleration of an Inclined Plane with a Mass on Top?

    Homework Statement An Inclined plane with an inclination of \theta and a mass M has a body of mass m on top of it which is attached to a string; the string is light and passes over a pulley on top of the inclined plane and continues till it is firmly attached to a vertical wall.The friction...
  22. S

    Friction on an Inclined Plane: Kinetic or Static?

    Homework Statement Does kinetic friction and static friction act upon a car traveling downhill (without acceleration by the car)? Homework Equations The Attempt at a Solution Is it kinetic because the wheels rub against the surface and the car is in motion? But is it also static...
  23. P

    Calculating Distance and Time for an Object on a Frictionless Inclined Plane

    Homework Statement 1 An object is pushed up a smooth incline of 30 degrees with a speed of 4m/s. In seconds, how long will it take before the object stops and reverses direction? Vf= Vo - at Vf= Vo - at 0 = 4 - (9.8)t t = 0.41s I know this is wrong because the angle isn't accounted for, but...
  24. 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...
  25. 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...
  26. 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.
  27. 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.
  28. 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...
  29. M

    Why Must P Be Perpendicular to R for Minimum Force on an Inclined Plane?

    Homework Statement This is a conceptual/logic question I have. I don't understand why for minimum P: P must be perpendicular to R; angle beta = psi_s. (please see attached picture). Once I can get my arms around that statement, I can solve the problem. Thanks for any logic help. Or if...
  30. 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...
  31. 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...
  32. 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...
  33. 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.
  34. 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...
  35. 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...
  36. 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...
  37. 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
  38. 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...
  39. 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...
  40. 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...
  41. 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...
  42. 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...
  43. 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...
  44. T

    Mechanics - Inclined plane, and projectles

    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...
  45. 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...
  46. 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...
  47. 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...
  48. 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...
  49. 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...
  50. 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?
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