Incline Definition and 976 Threads

  1. J

    What is the Tension in a Connecting Cord for Two Masses on an Incline?

    Homework Statement A mass m2 = 1.1 kg, on a 35.0° incline, is connected to a mass m1 = 6.0 kg, on a horizontal surface. The surfaces and the pulley are frictionless. If F = 17.5 N, what is the magnitude of the tension in the connecting cord...
  2. F

    What is the Coefficient of Friction for a Pulley System on an Incline?

    Three blocks are attached by a massless wire. Two blocks are on the incline, and the other is hanging below. The pulley is frictionless; however, the coefficent of friction between the ramp m1 is 0.15. The coefficient of friction between m2 and and the ramp is uknown. A) Determine the...
  3. E

    Mass-spring system on an incline

    Homework Statement A spring is mounted at an angle of = 38 on a frictionless incline as illustrated in the figure below. The spring is compressed to 15 cm where it is allowed to propel a mass of 5.4 kg up the incline. If the spring constant is 565 N/m, how fast is the mass moving when leaves...
  4. M

    Attempt 2 - Incorrect - 4.50 sBlock on Incline: Calculate μk &Travel Time

    Homework Statement A cube of mass M=0.425 kg is placed on an incline of 12.5* and given a push. It slides down, and its speed down the incline is measured at two positions, [1] and [2] on the diagram below, with V1 = 0.913 m/s and V2 = 1.171 m/s. Note that the incline passes through at least...
  5. A

    What is the Net Force on a Block on a Moving Incline?

    Homework Statement A small block of mass m rests on the sloping side of a triangular block of mass M which itself rests on a horizontal table. Assuming all surfaces are frictionless, determine the magnitude of the force F that must be applid to M so that m remains in a fixed position...
  6. E

    Calculating Work Done on a Crate Pushed up an Incline

    Homework Statement A crate of mass 20 kg is pushed up a ramp by a person, at an angle of 30 degrees. Assume the coefficient of kinetic friction between the crate and the ramp is k=0.2. Calculate the work done by the person in pushing the crate a distance of 29 m as measured along the ramp...
  7. L

    Friction and Tension with blocks on an incline

    Homework Statement Blocks A, B, and C are placed as in the figure and connected by ropes of negligible mass. Both A and B weigh 24.9N each, and the coefficient of kinetic friction between each block and the surface is 0.39. Block C descends with constant velocity. a) Find the tension in the...
  8. A

    How far does a cylinder roll after being released from an incline?

    Homework Statement A solid cylinder of mass 10 kg is at rest atop a 10m high ramp inclined at an angle of 37 degrees. The cylinder is released and rolls, without slipping, down the incline. Then, the cylinder rolls across a rough 1-m long table that is 2m above the ground. Finally, the...
  9. C

    A block of mass going down an incline plane with friction

    Homework Statement A block of mass m = 15.0kg starts from rest and slides down an incline plane with slope angle theta = 45 degrees for a distance d1. It then reaches the flat surface and travels for a distance d2, where it comes to rest. The coefficient of kinetic friction between the block...
  10. C

    Maximum height and length on an incline.

    Hey I wondered what the best way to proceed about fiding the maximum length of a projectile when fired at an angle relative to an incline. Would a coordinate axis along the incline be the best choice? Then I could solve the equations for when y = 0, but it would also result in an acceleration in...
  11. D

    Two blocks on an Incline w/ Friction

    Homework Statement Two blocks attached by a string (see figure) slide down a 20° incline. Block 1 has mass m1 = 0.65 kg and block 2 has mass m2 = 0.30 kg. In addition, the kinetic coefficients of friction between the blocks and the incline are 0.30 for block 1 and 0.20 for block 2. (a) Find...
  12. K

    Solving for Distance and Time: Motion on Incline Homework Help

    Homework Statement A ball is allowed to roll from rest down an inclined plane, and the distances are marked every 1.6 s. If the second mark is made 1.4 m from the starting point, where is the first mark? Where is the Fourth Mark? Homework Equations x=kt^2 .. k is the constant...
  13. E

    How Can the Slope of an Incline Plane Affect the Motion of a Rolling Object?

    Homework Statement A snowball rolls off a roll that has a slope of 30* from the horizontal with a speed of 5.0 m/s. The edge of the roof is 10m above the ground. How far from the house (horizontally) does the snowball strike the ground? Homework Equations I'm using one of the...
  14. E

    What Is the Correct Equation for a Box on a Frictionless Incline?

    Homework Statement A 12 kg box is being held on a 23 degree frictionless incline. Find the box's equation once released. Homework Equations Net force=ma Fpull-Fparallel=ma The Attempt at a Solution 12kg x 9.8m/s = 117.6 N (Fpull-mgsin23)= ma sub. known values in...
  15. S

    Box sliding on incline with friction

    Homework Statement How to find the uk of a box sliding down a hill with only an angle and acceleration Given: angle= 30 acceleration= 3.1 m/s2 Homework Equations 1. uk= fk/fn 2. f=ma The Attempt at a Solution i did the cosine of my angle but i am not sure that is the answer
  16. R

    Friction and tensions with two blocks on a string on an incline

    Homework Statement Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. the hanging block has a mass of 16 kg and the one on the plane has a mass of 8 kg. the coefficient...
  17. Z

    What Happens When Combining Mass and Incline in Cylinders?

    hi my question is fully attached as an image. for cylinders with the same mass i know how to sort them. the smaller the i the faster it will go. but what happens if i have combination of change of i and m. i guess i will need a less intuitive approach. can some one tell me how to do this...
  18. P

    Box sliding down frictionless incline

    Homework Statement A box initially at rest at the top of a frictionless ramp is allowed to slide to the bottom. At the bottom its speed is 4 m/s. Next, the box is again slid down the ramp, but this time it does not start from rest. It has an initial speed of 3 m/s at the top. How fast is it...
  19. H

    What is the velocity of the brick when it strikes the gutter?

    Homework Statement a 0.75kg brick is released from rest and slides down an inclined roof pitched at 30 degrees to the horizontal. the brick slides 2.5m before striking the gutter and the coefficient of friction between the roof and the brick is 0.3. determine the velocity at which the brick...
  20. I

    Momentum and Energy problem (ball and incline collision)

    Homework Statement A ball, with mass m_{1}=6 kg and speed v_{0} (unknown) hits an inclined plane (as shown) of mass m_{2}=42 kg at rest on a frictionless floor. there is no friction between the ball and the plane. the angle \beta is 10 degrees. Question: what is the value of \alpha?2. Diagram...
  21. E

    Calculating Power Output of Tension T on Mass M at Incline θ

    Homework Statement A box of mass M= 1 kg rests at the bottom ofa frictionless plane inclined at an angel theta= 20 degrees. The box is attached to a string that pulls with a constant tension T=5 N. What is he power in Watts being delivered by the tension T as the block reaches x=50 cm...
  22. M

    Work of Rope on Skier on 12° Incline: 900 J or 2,000 J?

    Homework Statement A skier is pulled up by a towrope up a frictionless ski slope that makes an angle of 12 degrees with the horizontal. The rope moves parallel to the slope with a constant speed of 1.0 m/s. The force of the rope does 900 J of work on the skier as the skier moves a distance of...
  23. A

    Rotational Motion-Up an Incline

    Homework Statement A solid sphere (S), a thin hoop (H), and a solid disk (D), all with the same radius, are allowed to roll down an inclined plane without slipping. At the bottom, they run into another inclined plane and begin rolling upwards. Which will travel the furthest up the inclined...
  24. N

    Blocks, incline, tension and acceleration

    Homework Statement A large block of mass M = 6kg is on an incline which is at an angle of 30 degrees above the horizontal. The coefficient of kinetic friction between the block and the incline is 0.3. The block is attached to a string which runs over a pulley and is connected to a smaller...
  25. S

    Block on Incline with oscillation

    Homework Statement Block on Incline In Fig. 16-35, a block weighing 17.0 N is able to slide without friction on a 32.0° incline. It is connected to the top of the incline by a massless spring of unstretched length 0.475 m and spring constant 110 N/m. Figure 16-35 (a) How far down the...
  26. M

    How Do You Calculate the Final Speed of a Block on an Inclined Plane?

    Homework Statement http://img687.imageshack.us/img687/8417/screenhunter002.jpg Homework Equations I don't know. The Attempt at a Solution I don't even know where to begin...
  27. J

    Equilibrium cylinder and plank on incline

    Homework Statement A horizontal stick of mass m has its left end attached to a free pivot on a plane (inclined at angle θ), while it’s right end rests on a cylinder also of mass m which in turn rests on the plane, as shown. The coefficient of friction between the cylinder and both the stick...
  28. B

    Work and force problem (piano moving on an incline)

    Homework Statement A 280-kg piano slides 4.3 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is .400. Calculate: (a) the force exerted by the man, (b) the work done by the...
  29. M

    Rolling a cylinder down a incline

    if a cylinder rolls down and incline without slipping then i decrease the coefficient of friction and it does slip a little will it have more, less, or the same kinetic energy as before I think less, my physics teacher says the same
  30. Y

    Revolutions of a Sphere on an Incline

    Homework Statement A sphere of radius 0.19 meters starts from rest at the top of an incline at a height of 7 meters. The angle of the incline is 36 degrees. How many revolutions does the sphere make as it rolls to the end of the incline without slipping?
  31. F

    Cart in equilibrium on an incline.

    Right I'm not stuck on the whole question it's just one bit i need advice on rather than answers.I have a cart with 2 wheels on a 30degree slope and it is in equilibrium, i know how to work out the forces directly down onto the slope mg*cos30 and the force pulling it down the slope mg*sin30. as...
  32. R

    Mechanics what force causes a ball rotate up an incline

    When a ball rolls down an incline without slipping friction causes the ball to rotate CCW When a ball with an initial velocity climbs up an incline friction is now in the opposite direction as in the previous case, the problem now is which force causes the ball to rotate CW. It can't be...
  33. K

    Friction force incline two masses connected by a string

    Homework Statement It was on my test yesterday. There is a 10kg block on an incline of 45degrees connected by a string to another block hanging over the side of the incline by a frictionless massless pulley. Kinetic friction on the block on the incline is mu=0.5 The block that is hanging...
  34. X

    Potential energy incline problem

    Homework Statement A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 300 N/m, as shown in Figure P7.53. The spring is unstretched when the system...
  35. S

    Find acc. given coefficient of frict. on incline slope

    1. The problem statement, all variables and given/known data A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 190.0 N at an angle of 28° with the horizontal. The box has a mass of 37 kg, and the...
  36. 1

    Solving Incline Ramp Problem: Find Normal Force

    Homework Statement Imagine a ramp on a 30deg incline with a 1kg mass on top of it. mu kinetic coefficient is .25 between the mass and the ramp. A person applies a horizontal force of 10N to the 1kg mass on the incline ramp opposite to the direction of acceleration. What is the normal force...
  37. J

    Solving Spring, Block, Incline & Friction: Help Needed (Pictures Included)

    So we took a quiz in class, no one got it right so now its take home and I am lost. Homework Statement Homework Equations .5kxi -Fkd= .5MVf^2 h=dsin(tht) umgh=fk fk=ukN The Attempt at a Solution I really do not know where to start i tried...
  38. N

    Elastic and gravitational potential energy, with friction and a box on incline.

    [SOLVED] Elastic and gravitational potential energy First off, long time lurker here on his first post. Your forum seems absolutely brilliant, so I hope you can help me :) Homework Statement A box on an elastic string is dropped down an incline and proceeds to slide the distance L before...
  39. T

    How far does a rolling hoop travel up an incline with known variables?

    Sorry, the title is wrong, it's hoop rolling UP an incline Homework Statement In a circus performance, a large 3.8 kg hoop with a radius of 1.8 m rolls without slipping. If the hoop is given an angular speed of 5.5 rad/s while rolling on the horizontal and is allowed to roll up a ramp...
  40. C

    Question wording- incline question

    The question was: A 4.5-kg mass is given an initial velocity of 14 m/s up an incline that makes an angle of 37o with the horizontal. When its displacement is 8.0 m, its upward velocity has diminished to 5.2 m/s. I'm confused with directions of the velocity. In the solution they used the...
  41. I

    Masses on incline plane and pulley.

    Homework Statement A suspended 2.87 kg mass is moving up, a 1.5 kg mass slides down the ramp, a suspended 8.4 kg mass on the left is moving down. There is friction between the block and the ramp. The acceleration of gravity is 9.8 m/s2 . The pulleys are massless and frictionless. Find the...
  42. X

    Work Incline Problem: Find Distance Up Incline for Block w/ No/Low Friction

    Homework Statement A 230 g block is pressed against a spring of force constant 1.20 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Use energy considerations, determine how far up the incline the block moves...
  43. D

    How Do You Calculate the Angle of Incline with Friction Involved?

    Homework Statement On a certain incline plane, a body weighs 50N and requires a force of 35N to pull it up the incline. If the coefficient of friction is 0.25, find the angle of incline. (in degrees) I've been stuck on this for two days now. Homework Equations F=W sin a + u W cos a...
  44. C

    How Does Friction Affect a Small Block on a Moving Incline?

    Homework Statement A small block of mass .5kg sits on a large block of mass 5kg as shown. The coefficient of static friction between the blocks is .6, but between the large block and the table there is no friction. What horizontal force will keep the small block from slipping down the incline...
  45. C

    How Does a Frictionless Incline Affect Crate Acceleration and Wheel Tension?

    Homework Statement A wheel of radius R = 30.0 cm is mounted on a frictionless horizontal axis. A massless cord is wrapped around the wheel and attached to a 4.75-kg crate that slides on a frictionless surface inclined at an angle of 25.0° with the horizontal. The crate accelerates down the...
  46. D

    Final Velocity of Mass on Frictionless Incline

    1. A spring with a spring-constant 3.6 N/cm is compressed 39 cm and released. The 9 kg mass skids down the frictional incline of height 36 cm and inclined at a 20◦ angle. The acceleration of gravity is 9.8 m/s^2. The path is frictionless except for a distance of 0.6 m along the incline which...
  47. T

    Finding coefficient of friction and angle of incline

    I need to find the coefficient of friction and the angle of an incline with only knowing a distance of 18.0 meters and a time of 10.0 seconds. I have absolutely no idea where to begin because my teacher never taught us how to do such equations. if anyone can figure the problem out for me that...
  48. X

    What is the Velocity and Distance of a Block on an Incline?

    Homework Statement A block of mass m = 2.00 kg is released from rest at h = 0.300 m from the surface of a table, at the top of a θ = 50.0° incline as shown below. The frictionless incline is fixed on a table of height H = 2.00 m. http://www.webassign.net/pse/p5-62.gif" (b) What is the...
  49. D

    Applying Newton's Laws Projected Up an Incline

    Projected Up an Incline A block is projected up a frictionless inclined plane with initial speed v1 = 3.43 m/s. The angle of incline is θ = 32.5°. (a) How far up the plane does it go? (b) How long does it take to get there? (c) What is its speed when it gets back to the bottom...
  50. J

    Blocks moving on frictionless incline at constant speed, accleration

    Homework Statement There is no friction Part A) Find the mass of block C so that block B moves up the incline with a constant speed Part B) fint he mass of block C so that Block B moves up the incline with a constant accleration a = g/2 Homework Equations The Attempt at a...
Back
Top