Incline Definition and 1000 Threads

Homework Statement How much force does it take to move M1 up the incline plane and what is the net force. This isn't exactly a homework equation this picture is from my last physics test where we were given M1 = 10kg, the coefficients of frictions with us = .8 and uk = .3 our job was to...

Homework Statement Hey guys I recently performed an experiment where we attempted to investigate the effect of the: 1) Mass of the object moving down the incline and 2) Vertical height of the incline on the velocity of the object at the bottom of the incline (using conservation of...

Homework Statement An inclined plane of angle θ = 20.0° has a spring of force constant k = 460 N/m fastened securely at the bottom so that the spring is parallel to the surface as shown in the figure below. A block of mass m = 2.55 kg is placed on the plane at a distance d = 0.288 m from the...

Okay, I am stuck on this problem that comes in two parts. Please help! Thanks! Homework Statement Part 1) Daphne pushes a 22.0 kg crate up a frictionless 30.0 degree incline a distance along the incline of 10.0 m at constant velocity. How much work did Daphne do? Part 2) Daphne now pushes a...

Homework Statement A block of weight sits on a plane inclined at an angle \theta as shown. (Intro 1 figure) The coefficient of kinetic friction between the plane and the block is \mu. What is the work done by the applied force of magnitude ? Express your answer in terms of some or all of...

Homework Statement A hollow basketball rolls down a 30\circ incline. If it starts from rest, what is its speed after it's gone 8.4 m along the incline? Homework Equations v=\omegaR The Attempt at a Solution I don't really know where to start with this. I've done similar problems, but I was...

Homework Statement The car of mass M is sliding on the incline. A mass of m is placed as shown. There is friction between m and M in the vertical surface of M . The incline is frictionless. System is released, and it is observed that m moves parallel to the incline. We are asked to find the...

Homework Statement MP: 10.71 A 25 kg box slides 4.0 m down the frictionless ramp shown in the figure , then collides with a spring whose spring constant is 250 N/m. What is the maximum compression of the spring? ds=2.5m For what compression of the spring does the box have the maximum speed...

Homework Statement A motorcycle and 60.6 kg rider accelerate at 3.5 m/s2 up a ramp inclined 7.3° above the horizontal. What are the magnitude of (a) the net force on the rider and (b) the force on the rider from the motorcycle?Homework Equations F=ma Fg= mg 3. The Attempt at a Solution...

Coefficient of friction--Puck traveling up an incline Homework Statement A hockey puck is moving at 13m/s when it starts climbing an incline. It travels 7.1m from the base of the incline before sliding back down the slope, as shown Find the coefficient of friction between the puck and the...

Homework Statement Homework Equations Sum of F=0The Attempt at a SolutionToo much work to put, but I pretty much know how to solve it, just need clarification. I almost got the right answer, was off by just a tad.

Homework Statement A 1.71 kg package is released on a 54.1 deg incline, 4.00m from a long spring with force constant 141 N/m that is attached at the bottom of the incline . The coefficients of friction between the package and the incline are 0.39 and 0.24. The mass of the spring is...

"a block of mass m is sliding on a frictionless incline of 30 degrees. this incline has mass m and it has no friction with the ground. compute the acceleration for both objects." I'm having some conceptual trouble with this problem as it's been a while since my physics course and I've had...

1. A block is projected up an incline making an angle theta with the horizontal. It returns to its initial position with half its initial speed. Show that the coefficient of kinetic friction is μk = (3/5)tan(theta) (For a 'properly formatted' version of the question, see number 3 on the...

Homework Statement In the figure, a crate of mass m = 107 kg is pushed at a constant speed up a frictionless ramp (θ = 32°) by a horizontal force http://edugen.wiley.com/edugen/shared/assignment/test/session.quest1510980entrance1_N10037.mml?size=14&rnd=1298229739658 .[/URL] The positive...

Homework Statement Homework Equations Trigonometry Geometry - Intersection on a Line Physics - Newtons Laws The Attempt at a Solution I am just lost. I move the Cartesian coordinates to the incline of the free body diagram to begin.I know that the normal force is perpendicular...

I want to calculate the maximum angle an object can move. So my example is a vehicle using two motors going up an incline. Do I use Torque = r * F * sin(angle) until the torque totals to a constant max torque value but with a speed of 0? I did think maybe I had to change values to equal the...

Packages are thrown down an incline at A with a velocity of 1 m/s. The packages slide along the surface ABS to a conveyor belt which moves with a velocity of 2 m/s. Knowing that d = 7.5 m and µ = 0.25 between the packages and all surfaces, determine... a) speed of the package at C b) distance...

Homework Statement A 5 kg block is placed near the top of a frictionless ramp, which makes an angle of 30o degrees to the horizontal. A distance d = 1.3 m away from the block is an unstretched spring with k = 3000 N/m. The block slides down the ramp and compresses the spring. Find the maximum...

I read in my book that when we are calculating the amount of work done by a man to go up a flight of stairs we use as force his weight and the distance, the vertical displacement. Then, looking at this website http://www.physicsclassroom.com/mmedia/energy/au.cfm they illustrate a car going...

question says: a block is given an initial velocity of 2m/s up a frictionless plane inclined at 60 degree to the horizontal. what is the highest point reached by the block? I tried to figure out how to solve the problem by thinking in order to find the highest point, i need the distance it...

Homework Statement A dated box of dates, of mass 5.00 kg, is sent sliding up a frictionless ramp at an angle of θ to the horizontal. The figure below gives, as a function of time t, the component vx of the box's velocity along an x-axis that extends directly up the ramp. (The vertical axis...

Homework Statement A 2-kilogram block is released from rest at the top of a curved incline in the shape of a quarter circle of radius R. The block then slides onto a horizontal plane where it finally comes to rest 8 meters from the beginning of the plane. The curved incline is frictionless...

Homework Statement M1 and M2 are two masses connected as shown. The pulley is light (massless) and frictionless. Find the mass M1, given that M2 (3.5 kg) accelerates downwards at 2.77 m/s2, θ is 25o, and μk is 0.37. Homework Equations F = ma F = mg Ff = μkNThe Attempt at a Solution...

Homework Statement Some members here may have seen this problem before. The problem is: A projectile is fired up an incline (incline angle φ) with an initial speed, v ,at an angle θ with respect to the horizontal (θ>φ). What is the angle that will allow the projectile to travel the maximum...

A 17.0 kg box slides 4.0 m down the frictionless ramp shown in the figure, then collides with a spring whose spring constant is 190 N/m. Picture: http://session.masteringphysics.com/problemAsset/1000077659/2/knight_Figure_10_69.jpg We also know: a) What is the maximum compression of...

Homework Statement A block of mass m=2.2 kg slides down a 30 degree incline which is 3.6 m high. At the bottom, it strikes a block of mass M=7 kg which is at rest on a horizontal surface. If the collision is elastic, and friction can be ignored, determine (a) the speeds of the two blocks after...

When pushing an object up an incline, isn't work done in the horizontal direction? But when lifting it direction, no work is done in the horizontal direction. So why does my textbook say that the work done in both cases is the same? :(

Homework Statement A block of mass "m" slides at constant speed down a uniform plane inclined at an angle "degrees symbol" to the horizontal, as shown. - Shows an incline with a block on top, like this: "<" with a block on top. 1. On the diagram, sketch and label appropriate arrows to...

Homework Statement An Air Cart of mass m=10kg starts from rest on an inclined air track. It subsequently moves a distance of d=20m in a time t=4 sec along the track. There are two support legs that are a distance L= 20m apart. One of the legs is elevated to a height h=15m above the other...

An 8kg mass is initally at rest on a 30 degree frictionless incline, it is attached to a hoop shaped 5kg pulley of radius 25.0cm by a massless cord. Find the tension in the cord and the acceleration of the mass using Newton's Laws.

Homework Statement Determine the angle of incline on https://www.physicsforums.com/attachment.php?attachmentid=30517&stc=1&d=1291856979" frictionless air track. Acceleration = 0.147 m/s2. The answer is supposed to be 4.10°. Homework Equations Fnet = ma The Attempt at a...

This should be a pretty simple question for someone out there, If you have a ramp with the same height, and the same angle, and you take two spheres of different size, but identical materials, and you rolled them down this incline. Which would reach the bottom first if rolling friction is...

Homework Statement Incline with the mass of M and angle of theta. mass on the incline with the mass of m. Find the force needed to push the entire system such that the mass remains at rest relative to the incline. Everything is frictionlessHomework Equations F=maThe Attempt at a Solution well...

Homework Statement I'll just sum the question up: A vehicle is on an incline of 15° and has velocity initial of 100km/h or 27.77 m/s and is left in neutral to roll up the hill -which is inclined at 15°. How far will it roll up the hill? Homework Equations I tried going with Vf - Vi = d...

Homework Statement A 2.5 kg wooden block slides from rest down an inclined plane that makes an angle of 30o with the horizontal. If the plane has a coefficient of kinetic friction of 0.20, what is the speed of the block after slipping a distance of 2.0 m? Homework Equations The...

Homework Statement In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 4 m/s up a 20 degree inclined track. The combined mass of monkey and sled is 20 kg and the coefficient of friction between the sled and incline is .20. How far up the incline do the...

Homework Statement A wooden block of mass 3.2 kg is sitting near the bottom of a plance inclined at an angle of 23 deg relative to the horizontal. The block is given an initial velocity of 5.0 m/s up the plane. The coefficient of kinetic friction between the block and the surface of the...

Homework Statement An inclined plane with 20.0 degree angle has a spring with k=500 N/m at the bottom of the incline. A block of mass m=2.5kg is placed on the plane at a distance d=.300m from the spring. From this position, the block is projected downward toward the spring with speed v=0.750...

1. An 8.3 kg crate is pulled 4.8 m up a 30 degree incline by a rope angled 18 degrees above the incline. The tension in the rope is 120 N and the crate's coefficient of kinetic friction on the incline is 0.24. How much work is done by tension, by gravity, and by the normal force? What is the...

This is not a question from homework, but one about which I was curious. If a ball starts at rest at the top of frictionless plane, would it roll or slide down the incline? The thing that confuses me is that it seems like it should just slide, since there is no friction and thus nothing to...

A cylinder of a mass M and a radius R starts at the top of a hill at a height h, and rolls to the bottom. At the bottom of the hill, what is its linear velocity, linear momentum, and angular momentum? I believe the the velocity is sqrt((4/3)gh) and the the angular momentum is mvsin(theta)...

Homework Statement A 219-kg crate rests on a surface that is inclined above the horizontal at an angle of 20.1°. A horizontal force (magnitude = 501 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the coefficient of static...

Homework Statement A 38.7g box slides down an incline of height 12.5m. As it slides, air resistance does -3.71J of work. Find the speed at which it reaches the bottom of the incline. Homework Equations E kinetic at bottom = E potential at top - Work air resistance 1/2 mv2 - 1/2...

Homework Statement this is simple but I am stuck in a lab, a 6kg block is pushed across a flat table by a horizontal force F. if the box is moving at a constant speed of 0.350m/s and the coefficient of kinetic friction is .12 what is the magnitude of F Homework Equations The...

Homework Statement A 11kg box slides 4.0m down the frictionless ramp which has an incline of 30o to the horizontal, then collides with a spring whose spring constant is 190 N/m. a.What is the maximum compression of the spring? b.At what compression of the spring does the box have its...

Homework Statement http://s324.photobucket.com/albums/k327/ProtoGirlEXE/?action=view&current=q1-1.jpg Homework Equations f=ma f= uFn The Attempt at a Solution a) I found the forces acting on the block acting in the x and y directions to make two equations then I solved for...

Homework Statement A block of mass 2 kg is propelled by a spring with spring constant k=5200N/m onto a smooth (frictionless) track. The spring is initially compressed a distance of 0.13 m from its equilibrium configuration. At the end of the track there is a rough inclined plane at an angle...

Hey, I've taken Intro Physics years ago with an A but am reviewing some stuff and doing some of the harder problems out of Young and Freedman, I can't figure this one out to my embarrassment. Any help? Heres the link of what I've done. http://i.imgur.com/yD5G1.png"

1. A 2000 kg car in neutral at the top of a 20 degree inclined 20 meter long driveway slips its parking break and rolls downward. at what speed will it hit the garage door at the bottom of the incline? Neglect all retarding forces Homework Equations The Attempt at a Solution