Incline Definition and 976 Threads

Homework Statement A block is at rest on the incline shown in the figure. The coefficients of static and kinetic friction are µs = 0.67 and µk = 0.57, respectively. The acceleration of gravity is 9.8 m/s^2. What is the frictional force acting on the 42 kg mass? Answer in units of N...

Homework Statement A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed shown in the figure below. The crate is pulled a distance of 5.94 m on the incline by a 150 N force. The acceleration of gravity is 9.8 m/s2 ...

Homework Statement A horizontal force of 100 N pushes a 17 kg block up a frictionless incline that makes an angle of 31° with the horizontal. Find the acceleration of the block. Homework Equations F = ma F_g = mg The Attempt at a Solution Cos31 = 100/(component of force along plane)...

Homework Statement A 8.80-kg block of ice, released from rest at the top of a 1.03m--long frictionless ramp, slides downhill, reaching a speed of 2.81m/s at the bottom. need to find the angle between the ramp and horizontal, and what would be the speed of the ice at the bottom if the...

Homework Statement An object rests at the top of a frictionless incline with length L and angle θo. At the moment the object is released the angle begins to decrease at a constant rate w. Thus the angle as a function of time is θ(t)= θo-wt. Value of w is defined to be the rate such that at...

Homework Statement An energetic father stands at the summit of a conical hill as he spins his 23 child around on a 5.6 cart with a 2.3--long rope. The sides of the hill are inclined at 23 . He keeps the rope parallel to the ground, and friction is negligible. What is the tension in the rope...

[b]1. The problem statement, all variables and g object on an incline plane has a mass of 10 kgs and the coefficient of static friction is 0.35 at what angle does the object begin to slide. Homework Equations Fnet=ma Ff=sin(theta)(mg) The Attempt at a Solution I don't come close...

Homework Statement A 4.1 kg block starts at rest and slides a distance d down a frictionless 26.0 deg incline, where it runs into a spring. The block slides an additional 18.0 cm before it is brought to rest momentarily by compressing the spring, whose spring constant is 428 N/m ...

1. Homework Statement A mass M1 = 10 kg rests on an incline of angle θ = 60deg. Find the largest M2 such that no accelerations occur. a picture of the problem: http://s861.photobucket.com/albums/ab174/alkaline262/?action=view&current=prob14.jpg 2. Homework Equations f=ma 3. The Attempt at a...

Homework Statement The suspended 2.29 kg mass on the right is moving up, the 1.3 kg mass slides down the ramp, and the suspended 7.7 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...

Figure 5-56 shows a box of mass m2 = 1.3 kg on a frictionless plane inclined at angle θ = 34°. It is connected by a cord of negligible mass to a box of mass m1 = 2.7 kg on a horizontal frictionless surface. The pulley is frictionless and massless. (a) If the magnitude of the horizontal force F...

Homework Statement A block of mass 250 kg is placed at rest onto 5 different inclines. The angle of incline A is 22o, B is at 22o, C is at 22o, D is at 10o, and E is at 10o. The inclines are made of different materials, and have coefficients of friction mkA = 0.3, mkB = 0.4, mkC...

Homework Statement See attachment Homework Equations F=MA T=MA? The Attempt at a Solution M1: N1=M1gSin(32) T=M1gCos(32) Now does this work?: T=MA M1A=M1gCos(32) and that would give me the acceleration for the X-axis and i could do the same for the Y-axis and get the...

Homework Statement The two mass system shown below has the same coefficient of kinetic friction on both the horizontal and inclined surfaces. When the system released from rest, both blocks quickly reach a constant acceleration of 2.00 m/s^2. M2=5.00 kg (on horizontal. Find the mass M1 of the...

Homework Statement Block A starts moving downward to the left at a constant acceleration = 80mm/s2. At the same time block B moves along block A to the right at an acceleration of 120mm/s2 relative to block A. a) Determine the acceleration of block B. Answer: aB=52.5m/s2 b) Determine the...

Homework Statement A car with a speed of 40.0 km/h approaches the bottom of an icy hill. The hill has an angle of inclination of 10.5 degrees. The driver applies the brakes, which makes the car skid up the hill. If the coefficient of kinetic friction between the ice and the tires if 0.153...

An object of mass 3 kg lies on a rough plane inclined at 45 degree to the horizontal. The coefficient of friction is 0.2 and a force of 10 N acts at 30 degree to the object. Calculate the friction. According to the booklet the answer is 3.24 N My work F = u R Normal reaction = 10 sin...

Homework Statement A roller coaster starts its descent with an initial speed of 4 m/s. it moves through a distance of 135 ft (41.1 m) along an incline that makes an angle of 40 degrees with the horizontal. Neglect friction and find its speed at the bottom of the incline. Homework Equations...

Homework Statement A solid sphere, a hollow sphere and a disc, all having the same mass and radius are placed at the top on an incline and released. The friction coefficients between objects and the incline are same and not sufficient to allow pure rolling. Least time will be taken in reaching...

This is not a homework question but rather a real life problem I need to work through. Sorry if I have used incorrect terms but I have not done any physics in 10 years and have forgotten everything so I was hoping someone would be able to help. Homework Statement How much effort would it take...

Homework Statement A 2.2kg block slides down a planar incline. The incline makes an angle of thirty degrees with the horizontal and the block starts 10 m above ground. The coefficient of friction between the block and the incline is .1. The block reaches the bottom of the incline and then...

Hey would someone mind taking a crack at this one? I know the final answer is 28.73, however I can't figure out the equation to get it. On a certain inclined 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...

Homework Statement Two objects are connected via a light string that passes over a frictionless pulley. Assuming the incline is frictionless, m1=2 Kg m2=6 Kg and \theta=55. Find the acceleration of the objects and the tension in string. This porblem is set up with m1 hanging vertically...

Homework Statement A skier on a slope inclined at 4.7 degrees to the horizontal pushes on ski poles and starts down the slope. The initial speed is 2.7 m/s. The coefficient of kinetic friction between skis and snow is 0.11. Determine how far the skier will slide before coming to rest...

A spring is mounted at an angle of theta = 39degrees 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 4.9 kg up the incline. (a) If the spring constant is 580 N/m, how fast is the mass moving when leaves...

Homework Statement A boy drags a 100N sled up a 20degree slope at constant velocity. If the coefficient of friction between sled and hill is 0.2, what force must he exert at an angle of 35 degrees with respect to the hill? Homework Equations What does 'respect to the hill' mean...

Homework Statement a cart slides down an iced incline that is 159m high. initial speed is 0m/s acceleration of gravity is 9.8 m/s^2 neglect friction, air resistance determine carts speed at the bottom of the hill Homework Equations v = u + at, but no time is mentioned v^2 = u^2 + 2ah...

Homework Statement A bobbin of M = 3 kg consists of a central cylinder of radius r = 5 cm and two end plates of radius R = 6 cm. It is placed on a slotted incline on which it will roll but not slip, and a mass m = 4.5 kg is suspended from a cord wound around the bobbin. It is observed that...

A person pulls a wagon up an incline that makes an angled of 30 deg with the horizontal with a force on the handle of 30 pounds which makes an angel of 30 deg with the incline find the work done in pulling the wagon 100 ft 20cos30 will be a force along the surface of the incline and since...

Homework Statement A skier starts from rest at the top of a hill that is inclined at 9.1° with the horizontal. The hillside is 250 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is unchanged...

Homework Statement A block with mass m1=2.00kg is on a flat surface and a block of mass m2=6.00kg is on an incline and they are connected by a massless string over a pulley in the shape of a solid disk with a radius R=0.250m and mass M=10.0kg. The angle of the incline is \Theta=30o and the...

Homework Statement A 70 kg object is being pulled up a slope of 30 degrees such that the rope is parallel to the slope. the velocity is constant. however, there is a coefficient of friction is 0.3 The Attempt at a Solution I know without friction its, something like...

Homework Statement A projectile is launched at an angle 45degrees with respect to the horizontal and up a hill that is inclined 20degrees to the horizontal. The initial speed of the projectile is 50m/s. Neglect air resistance. a)what is maximum height? - I found 63.8m which is correct b)...

Homework Statement A waterslide ride consists of a straight guided ramp, at an angle theta (to the horizontal plane), with a transition to a short horizontal section at the bottom of the slide (1m long), just above the surface of a splace pool of length L. Patrons queue on a platform of...

Homework Statement Assuming smooth rolling with no resistance, it can be shown that the acceleration of a solid cylinder down an incline is equal to: a = 2/3 g sin(theta) The goal of my lab is to test the validity of the above equation Homework Equations The Attempt at a...

Homework Statement A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 22° above the horizontal. If the normal force exerted on the suitcase is 170 N, what is the force F applied to the handle? Homework Equations The Attempt at a Solution...

A small diameter (2.00 mm), solid steel ball rolls from rest, without slipping, down a track and into a loop-the-loop of 1.50 meters diameter. Between the starting point on the track and the top of the loop the ball converts 10.0% of its initial mechanical energy into other forms of energy. From...

Homework Statement A block with mass m = 5.00 kg slides down a surface inclined 36.9 to the horizontal. The coefficient of kinetic friction is 0.25. A string attached to the block is wrapped around a flywheel has mass 25.0 kg and moment of inertia 0.500 kgm2 with respect to the axis of...

Homework Statement A block of mass m = 10 Kg is attached to a cable that wraps around the pulley. The pulley is pivoted at the center, and the angle of incline is θ = 30°. The radius of the pulley is R = 0.5 m and its moment of inertia is I = 0.4 Kgm2. The block is released from rest and...

Homework Statement A cylinder of mass M and radius R rolls(without slipping) down an inclined plane whose incline angle with the horizontal is Θ. Determine the acceleration of the cylinder's venter of mass.(Derive the formula) Homework Equations I have the answer, but I just don't...

Homework Statement A spring, of negligible mass and which obeys Hooke's Law, supports a mass M on an incline which has negligible friction. The figure below shows the system with mass M in its equilibrium position. The spring is attached to a fixed support at P. The spring in its relaxed state...

I would like to know if its possible to move water from a filled rectangular tank to another tank sliding down an incline using force generated due to the weight of the empty tank rolling down the slope. Attached is a figure depicting the scenario. I would like to know what should be the...

Homework Statement [PLAIN]http://img237.imageshack.us/img237/6677/incline.gif A snow sled with a child secured safely to it has a total mass of 83.0 kg. It is lowered at a constant speed of 1.9 ms−1 down a slope of angle 41.0° with respect to the horizontal (as shown above) for a...

Homework Statement How is angle of incline related to the acceleration of the car moving down it? I know how to find both the velocity and acceleration of a car moving down a track using the suvat equations. I don't understand the relationship between angle of incline, velocity and...

Homework Statement The ball launcher in a pinball machine has a spring that has a force constant of 1.20 N/cm The surface on which the ball moves is inclined 10.0° with respect to the horizontal. If the spring is initially compressed 5.00 cm, find the launching speed of a 100-g ball...

Homework Statement A 14 kg box slides 4.0 {\rm m} down the frictionless ramp shown in the figure , then collides with a spring whose spring constant is 210 N/m. a)What is the maximum compression of the spring? b)At what compression of the spring does the box have its maximum...

Homework Statement A block of mass m slides down the incline of a triangular block of mass M. The angle of inclination is \theta. The trianguilar block is free to slide on a horizontal plane. Assume that all surfaces are frictionless. What is the acceleration of the mass M? Homework...

Homework Statement A 20-Newton force pulling an object up a hill at a constant rate of 2 m/s. The diagram shows a box that is 5 kg on an incline that is 30 m long and 10 m high. the answers are 1) 0 kg-m/s 2) 10 kg-m/s 3) 100 kg-m/s 4) 600 kg-m/s The equation for momentum is p=mv...

Homework Statement Hello! I was thinking about designing an experiment in which i would investigate the angle of incline of a surface and the acceleration of a toy car moving down it. I will most likely be using a stopwatch. My question is: How should i go about calculating the...

Homework Statement A block of mass M = 107.0 kg on an inclined plane is attached to another block of mass m via a string, as in the figure below. The coefficients of static and kinetic friction for the block and the incline are μs = 0.40 and μk = 0.20 and the plane is inclined 17.6° with...