Incline Definition and 976 Threads

Hi...ok so i just need help to make sure I'm understanding the concepts and my answers are correct. I think i get it but i just want to make sure. Thanks! A spool of mass m has a string wrapped around its axle, with the string coming away from the underside of the spool. The spool is on a...

Please check my setups and kindly tell me the correct method of finding the answers if possible. 1) The radius of a 3.0 kg wheel is 6.0 cm. The wheel is released from rest a point A on a 30 degree incline. The wheel rolls without slipping and moves 2.4 m to point B in 1.20 s. The moment of...

An 1kg object is sliding down a 4m high incline which is inclined at 53 degrees. The initial speed is 2m/s. It then slides on a horizontal section 3m long which is at ground level and then slides up an incline plane that is inclined at 37 degrees. All surfaces have a kinetic coefficient of uc =...

Think about 2 objects (one rolling one sliding) down an incline. In terms of energy, see what you came up with and how they differ...be verbose! All right I know that the rolling object would go down the incline faster and...i'm not sure but I think...the sliding one would gather the most...

An ice cube, p = 917 kg/m^3, is sliding down a 16 degree frictionless incline. The sides of the cube each have a length of .75 m. What pressure does the cube exert on the incline? P = F / A = F / .75^3 = F / .42 F = ma = 917 * a I am having a problem figuring out the Force...

The five masses below all have the same radius and a cylindrically symmetric mass distribution. They start to roll down an inclined plane, starting from rest, at the same time and from the same height. Give their order of arrival at the bottom. Icm=684 g*cm2, M = 47g Icm=373 g*cm2, M =...

A block of mass m = 12 kg is released from rest on a frictionless incline of angle theta = 30 degrees. 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 spring by 5.5 cm. a) How far does the block move down the...

can anyone show exactly how to solve this problem with equations and all? a cart on wheels with a mass of 250 g has a motor driven propeller with a force P of .3 N, and it moved down an incline of 30 degrees with an acceleration of 3.5 m/s^2. What is the force of friction ? determine...

A body of mass 'm' slides down an incline and reaches the bottom with a velocity 'v'. If the same mass were in the form of a ring which rolls down the incline, what would have been the velcity of the ring? (A)v (B)\sqrt{2}v (C)\frac{1}{\sqrt{2}}v (D)\frac{\sqrt{2}}{\sqrt{5}}v How...

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 =...

I seem to be specializing in plumb bobs this week:rolleyes: A box car has a freely hangling plumb bob (from the ceiling). It is accelerating up an incline. which makes an angle b with the horizontal. The plumb bob makes an angle c with the perpendicular to the ceiling. Find the acceleration...

My first post :D I have an incline of angle (θ) to the horizontal, and a chain of length (l) of a uniform mass (m), I place the chain so that one end is at the bottom of the incline, the entire system is frictionless. I need to find what the velocity is as the last end leaves the incline, and...

Can someone verify my calculations here? I have a 5kg block on an incline plane 12 degrees down angle. Mu k is .31 and slides a distance of 1.5m down the ramp. Work gravity=5k(9.8 m/s^2)sin(348)(1.5m)=-15.29J Work friction=.31(5k(9.8 m/s^2)cos(348)(1.5m)=22.29J This can't be right, can it?

The situation is as follows: http://img2.freeimagehosting.net/uploads/a87ac3e9ef.jpg http://img2.freeimagehosting.net/uploads/a87ac3e9ef.jpg There is friction, but no friction while in the barrel of the spring gun. I am suppose to derive an equation to solve for L, using x(c), m, g, theta...

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...

problem: A ball is allowed to roll from rest down an inclined plane, and the distances are marked every 2.5s. if the second mark is made 1.5m from the starting point, where is the first mark? where is the fourth mark? well i made a velocity vs. t chart and the velocity of it is 0.6 then...

problem: A ball is allowed to roll from rest down an inclined plane, and the distances are marked every 2.5s. if the second mark is made 1.5m from the starting point, where is the first mark? where is the fourth mark? well i made a velocity vs. t chart and the velocity of it is 0.6 then...

Problem: Soccer ball released from the top of a smooth incline after 4.58 seconds the ball travels 10 meters 1 second later it has reached the bottom of the incline, the balls acceleration is constant and determine its value (m/s^2) also need to know the length of the incline I am posting...

This seems like an easy problem but my answer is incorrect. Imagine a boxcar traveling up a 9.85 degree slope with constant acceleration a. In the boxcar is a pendulum that hangs 24.05 degree from the perpendicular to the boxcar's ceiling and floor. Find the acceleration. It seems to me that...

The Question: A 123 kg chesterfield is pushed up a frictionless ramp at a constant speed by a delivery person. If the ramp is inclined at 26.9° to the horizontal, what horizontal force must the delivery person apply to the chesterfield...

I have my two expressions for time for (b) and (c) but I'm not sure how to use them to get the angles or values for initial velocity. (b)t = \frac{2v_i\sin \beta}{g \cos \alpha} (c)t = \frac{v_i cos \beta}{g \sin \alpha}

"Two boxes, m1=1.0 kg witha coefficient of kinetic friction of 0.10 amd m2=2.0 kg with a coefficient of 0.20, are placed on a plane inclined at 30 degrees. (a) What acceleration does each box experience? (b) If a taut string is connecting the boxes with m2 farther down the slope, what is the...

Two packing crates of masses m1 = 10.0 kg and m2 = 7.00 kg are connected by a light string that passes over a frictionless pulley. The 7.00 kg crate lies on a smooth incline of angle 43.0°. Find the acceleration of the 7.00 kg crate up the incline. Find the tension in the string. I found the...

Hi. I'm having a dickens of a time coming up with the correct answer for this. I shall describe the question as it includes an image. There are three blocks altogether, b_1, b_2, b_3, each with a mass m_1, m_2, and m_3, respectively, and the blocks are all connected together by two ropes, T_1...

Here is a question that I am not sure where to start. A block of mass m1 = 6.07 kg on a frictionless plane inclined at angle = 33.3° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.46 kg hanging vertically (Fig. 5-54). (a) What is the acceleration...

A cylinder rolling down an incline.Moment of Interia is I And the cylinders mass is m Velocity is: v And cylinder radius: r Angel on the incline: yhttp://img122.imageshack.us/img122/8756/cylpz9.jpg How do i calculate the cylinders angular acceleration?

Hey everyone. I'm new to this site and was wondering if u can help me with a work and power problem. :smile: Question: A 60kg student runs at a constant velocity up the incline described in the diagram in 4.5s. Calculate the power output of the student. The diagram was a picture of a...

Problem's exact wording: When we looked at the work done by a force F, up a ramp, we were confused about the role of gravity that acts in the down direction. Investigate what work , if any gravity does and how this influences the applied force up the ramp acting on a mass. Note on question...

Find the position of the block as a function of time for both cases: a)friction b)frictionless Here're my answers. Please check to see if they're correct. The free body diagram are attached. https://www.physicsforums.com/attachment.php?attachmentid=7068&stc=1&d=1149476915...

i have a question that pertains to skiing down an incline...i can do everything for it, but i have no idea how to get 11.8 degrees from: theta=sin^-1 (0.204) though. how would i know that 11.8 is the answer?

Hey hows everyone well I'm busting my brain over this problem, On a level road the stopping distance for a certain car going 80km/hr is 32.0m. What would be the stopping distance for this car when going downhill on a 1:10 grade? A grade of 1:10 means the elevation drops 1.0m for a foward...

Hello. I need some help with the following problem. There is a cart on an incline and a pulley with a suspended block. Assuming that (the force of friction)= (mu)(N) symbolically show that the coefficient of rolling friction for the car moving down the incline plane with a constant...

Problem: An object of mass 2.0kg starts from rest and slides down an inclined plane 69cm long in 0.90s. What net force is acting on the object along the incline? Now, I used what I was given and plugged it in the equation: deltaX=1/2at^2 + V0t I come up with acceleration = .0552...

In Fig. 8-49, a block slides down an incline. As it moves from point A to point B, which are 7.2 m apart, force acts on the block, with magnitude 4.4 N and directed down the incline. The magnitude of the frictional force acting on the block is 5.5 N. If the kinetic energy of the block increases...

I'm trying to write a 2-D snowboarding game. I've forgotten my simple physics from college. Anyway, the problem is... Say you have a snowboarder falling straight down at velocity V and being accelerated by Gravity G. Say snowboarder then lands on a slope of Angle 45 degrees. I want to...

Okay, I got another problem for you guys that I have been trying to figure out. Here first is the diagram: I have been experimenting with different weights of balls and different weights of cars, also different ramp lengths. 5 balls are supposed to be used. Nothing seems to work at...

a 1360.7 kg car has an engine which can deliver 59,680 watts to the rear wheels. what is the max. velocity at which the car can climb a 15-degree hill? i have no idea how to solve this. immediate help would be GREATLY appreciated! the work i have done was setting up a triangle with the...

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...

Two blocks with masses 4.0kg and 8.0 kg are connected by a string and slide down a 30 degree inclined plane. The coefficient of kinetic friction between the 4.0 kg block and the plane is 0.25; that between the 8.0 kg block and the plane is 0.35 a) calculate the acceleration of each block...

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...

The Flintstones and Rubbles decide to try out the new inclined bowling alley, ``Bedslant Bowling''. Fred's ball and Barney's ball have the same size, but Barney's ball is hollow. Betty's ball and Wilma's ball are scaled down versions of Fred's ball and Barney's ball respectively. They all place...

Body B weighs 440 N and body A weighs 140N. The coefficients of friction between B and the incline are Us = 0.56 and Uk = 0.25. a) Find the acceleration of the system if B is initially at rest b) Find the acceleration of the system if B is moving up the incline c) Find the acceleration of...

Question A 20.0 kg package is released on a 50 ^\circ incline, 4.50 m from a long spring with force constant 150 N/m that is attached at the bottom of the incline. The block hits the spring, compresses the spring, and finally bounds back. The coefficient of kinetic friction between the package...

a 1kg box on a 30degree frictionless incline is connected to a 3kg box on a horizontal frictionless surface. The pulley is frictionless and massless. A)if the magnitude of F is 2.3N what is the tension in the connecting cord? I found all of my formulas M1 "X" direction-----T-M1g = M1a...

A 300 kg piano slides 4.6 m down a 30° 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 0.40. (a) Calculate the force exerted by the man. i got F = mu(k)mgcos(angle) + mgsin(angle) = 0 so F =...

Two blocks (with masses 10.1 kg and 65 kg) are connected by a string. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the block and machine is 0.299. The acceleration of gravity is 9.8 m/s^2. Find the change in the kinetic energy of the block on...

Hi, could someone please help me? Here is the problem: "A 265 kg piano slides 4.6 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (Fig. 6-36). The effective coefficient of kinetic friction is 0.40. (a) Calculate the force...

I've been trying everything to solve this problem: It says: A block of mass m = 2.00 kg situated on a rough incline at an angle of = 37.0° is connected to a spring of negligible mass having a spring constant of 100 N/m. The pulley is frictionelss. The block is released from rest when the...