Incline plane Definition and 142 Threads

Homework Statement A string through an ideal pulley connects two blocks, one (mass=2m) is on an inclined plane with angle theta to horizontal and coefficient of kinetic friction mu. The other block (mass=m) hangs off the pulley on the high side of the inclined plane. (looks like this, except...

Homework Statement There are two ramps back to back one with a 4 degree incline and the other with a 15 degree incline the mass on the 4 degree is 4 lbs and the other is 24 lbs the 4 lbs mass has a coeffient of .2 and the 24 lbs mass has a coeffient of .4 the two masses have a rope connecting...

Homework Statement A projectile is fired up an incline (incline angle φ) with an initial speed vi at an angle θi with respect to the horizontal (θi > φ). (a.) Show that the projectile travels a distance d up the incline, where d = 2*vi^2*cosθi*sin(θi-φ) / g*cos(φ)^2 (b.) For what value...

Galileo's Incline plane... Help for SAC. Hey everyone i am new here so excuse me if i confuse you all. I am currently undertaking Galileo's incline plane for my yr.12 assessment and i am a little lost with what i am trying to prove... the data i collected is as follows. - The volume of the...

Hello. I am new to this forum. I am a chemist. Physics is not my strength. Recently, I got a speeding ticket and I have to do some simple calculations in order to silence my mind. The problem is the following: A car (m = 1498.95 kg) is constantly accelerating uphill (15 degrees incline) from...

Spring Energy--a block slides down a frictionless incline plane A block of mass m = 13 kg is released from rest on a frictionless incline angled of angle θ = 30°. Below the block is a spring that can be compressed 2.0 cm by a force of 270 N. The block momentarily stops when it compresses the...

Homework Statement A dis of mass (m) and radius (r) with I=(1/2)(m)(r^2) is rolling down an incline dragging with it a mass (m) attached with a light rod to a bearing at the center of the disc. The friction coefficients are the same for both masses, Uk and Us. Determine the linear...

Homework Statement A ball rolls up a straight incline. The dots in the diagram represent the position of the ball every 4 seconds. (The fourth dot is not intended to represent the turnaround point; the ball might still be on the way up at that point.) The instantaneous velocities at the...

A block of mass M is being pulled up an inclined plane at a constant speed, by an attached rope that exerts a tension T. The block is pulled a distance L. The plane makes an angle θ with the horizontal, and the coefficient of kinetic friction between the block and the incline is μk. a.)...

Objects of Masss m1= 4kg and m2 = 9kg are connected by a light string that passes over a frictionless pulley. Object m1 = is held at rest on the floor, and m2 rests on a fixed incline of 40 degrees. The objects are released from rest, and m2 slides 1 meter down the <b>rough</b> incline in 4...

Homework Statement [/b] Objects of Masss m1= 4kg and m2 = 9kg are connected by a light string that passes over a frictionless pulley. Object m1 = is held at rest on the floor, and m2 rests on a fixed incline of 40 degrees. The objects are released from rest, and m2 slides 1 meter down the...

Homework Statement In the figure (sorry for that quick drawing with paint) m_1 (first block) = 4.0kg, m_2 = 5.0kg and the coefficient of kinetic friction between the incline plane and the first block is \mu_k = 0.24. Incline = 30 degree with horizontal Find the magnitude of the...

Homework Statement A mass m slides on a plane. It is attached to an inextensible massless string, the other end of which is attach to an equal mass. you can assume the pulley is frictionless , but that the surface has a coefficient of static friction. and the frictional force has the form F(f)...

Homework Statement a) if a force of 86N parallel to the surface of a 20 degree incline plane will push a 120N block up the plane at constant speed, what force parallel to the plane will push it down at constant speed? Homework Equations \SigmaF(X)=F(A)-F(fr)-mgcos\vartheta=0...

Homework Statement A mass slides on a frictionless plane inclined at an angle theta from the horizontal. The mass starts from rest at a height h(1)+h(2) , then slides off the ramp at height h(1). I will post the link so you can visualized the problem...

Homework Statement Starting from rest, a cyclist coasts down the starting ramp at a professional biking track. If the ramp has the minimum legal dimensions(1.5 m high and 12m lomg) find a) the acceleration of the cyclist ignoring friction b) the acceleration of the cyclist if all...

An object of a mass "m" is held stationary on an incline plane at an angle "theta" by means of a rope attached to it. The rope is parallel to the incline. The coefficient of static friction between the mass and the incline is "mu_s". I assume the static friction force is up the plane to oppose...

Hi, I'm a first year engineering student and I'm having a hard time understanding this concept. How do you calculate acceleration an an incline plane? Currently I'm working on a problem that has a truck with a mass of 2430 kg traveling at a velocity of 85 mph up a ramp inclined from the x-axis...

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 as shown in the attached figure. Assuming all surfaces are frictionless, determine the force F that must be applied to M so that m remains in a fixed...

Homework Statement http://img216.imageshack.us/img216/1767/inclineplanevq9.jpg Homework Equations F = ma sohcahtoa The Attempt at a Solution The answer to the question is b, but I got a. I used the sine ratio and divided the forces that were acting on mass 1 by the forces acting on...

Homework Statement There is a plane inclined 30degree. A box with 4.0kg mass is pushed up the plane with 128J. The kinetic friction between the plane and the box is 0.30. What is the distance will the box traveled until it stops? Homework Equations The Attempt at a Solution Fn=MG...

Homework Statement A block sits on an inclined plane, which is slowly being raised. The block remains motionless until the angle the plane makes with the horizontal is 23°. At this angle, the block begins to slide down the plane. What is the coefficient of static friction between the plane...

Homework Statement I've got this lab I'm working on and I'm somewhat confused. We pushed a roller cart up an incline plane to determine acceleration and the such. Here is the graph. http://img231.imageshack.us/img231/7950/physicslabpicsh5.png Homework Equations The questions I have...

1. Homework Statement Two boxes with different masses M1 = 1.3 kg and M2 = 2.2 kg are tied together on a frictionless ramp surface which makes an angle = 29° with the horizontal (see the figure below). (the figure is essentially two boxes tied together by a rope and then another rope tying...

A block slides down an inclined plane of slope angle A with constant velocity. It is then projected up the same plane with an initial speed Vo. a) How far up the incline will it move before coming to rest? b) Will it slide down again? So when it comes at rest, Vy = 0, Vx = 0 Since it...

Two blocks with mass m1 = 4.6 kg and m2 = 5.6 kg are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 55.0°. The kinetic coefficient of friction between m1 and the incline is 0.17. What is the minimum value of the static friction...

Homework Statement Find the acceleration reached by each of the two objects shown in Figure P4.49 if the coefficient of kinetic friction between the 7.00kg object and the plane is 0.250 Here is a picture of the problem...

1. Q: With what amount of force must a person pull on the vertical portion of the rope to make the 1000 kg box travel up the 45 degree rough (u_{k} = 0.10) plane at constant speed? Umm, here is a really awful diagram to help you get the picture. Mac doesn't come with a Paint program, so I...

Homework Statement A tall uniform rectangular block sits on an inclined plane. If Us = .4, does the block slide or fall over as the angle is slowly increased? Also, the block is 3a units tall and "a" units wide. The Attempt at a Solution Just by intuition, I figured that it would tip...

So here is the problem with the two parts and then the teacher's clue... I would be majorly appreciative if you could help me out. Two packing crates of masses m1 = 10.0 kg and m2 = 4.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 4.00 kg...

Hello everybody. I have a rather strange question regarding the rotational motion of a solid object across an incline plane. I wonder if it is possible for a solid object to move upwards the plane without the application of any external force, other than its own weight and the friction with the...

Okay, so I've been working on incline plane and then banked curve problems. From the incline plane problems and the definitions in my book I believed that normal force was just the y component of the weight, ie the weight times the cos of the angle of incline and no x component, ie parallel to...

A person stands at the base of a hill that is a straight incline making an angle x with the horizontal. For a given initial speed v, at what angle y (to the horizontal) should objects be thrown so that the distance d they land up the hill is as large as possible? I realize that tan x =...

Newton's 2nd law with an incline plane (I think...help0 The 1930 kg cable car shown in the figure descends a 200-m-high hill. In addition to its brakes, the cable car controls its speed by pulling an 1830 kg counterweight up the other side of the hill. The rolling friction of both the cable car...

Imagina an incline plane of angle @. A rod of length L, is at rest( becasuse you are holding it) at the very top of the incline. A magnatice field is pointing up in your mental picture. Find the velocity v of the rod as a function of time once your let go of the rod. Two things in the problem...

Ok I just can't see this questions I don't want an answer I just whant an explation on how to do it. if you can respond today it would be great thanks! an simple drawing like I did would be great thanks! a block weighing 100 Newtons is positioned on a incline that makes an angle of 30 degrees...

Ive been working on this problem for a little while now and basically, I don't know where to go. I have found the friction angle of 7 degrees but I really have no idea where to go next. My book doesn't have any examples like the problem. The problem looks a lot like a basic physics problem so I...

Knowing that the incline plane has an angle of 30 degrees and the coefficient of friction between a 60 lb block and the incline is 0.25, determine the smallest force P for which motion of the block up the incline is impending and the corresponding angle the force makes with the incline plane...

Can anyone help me with theses problems? 1. A 500 g cart is released from rest 1.0 m from the bottom of a frictionless, 30 ramp. The cart rolls down the ramp and bounces off a rubber block at the bottom. The figure shows the force during the collision. After the cart bounces, how far does...

Can someone tell me if I did this right? An object of mass m is hung from a rope that passes over a pulley at the top of a ramp and is attached to a block of mass M. (a) Assume m is large enough that the block accelerates up the ramp. Find an expression for the block’s acceleration...

This is just a question I made up because there'll probably be one like this on our final exam. A 5 kg block is on an incline plane of 50 degrees. coeffecient of friction is 0.5. Will it slide? N = mg cos(50) N = 31.529 friction = mu * N friction = 15.764 force down = ma f =m g...

You have a block on the incline plane 130 Newtons and it's attached by a rope through a "frictionless" pulley to another block of 45 Newtons hanging of the side of a plane. The question is what angle pheida has to be in order for a 130 Newtons block to start sliding up the plane (not...