Inclined plane Definition and 812 Threads

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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.

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.

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...

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...

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...

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...

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.

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...

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...

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...

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

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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?

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...

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...

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?

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...

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...

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...

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...

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...

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

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...