Inclined plane Definition and 822 Threads

Homework Statement A particle is placed on a rough plane inclined at an angle theta, where tan θ = μ = coefficient of friction(both static an dynamic). A string attached to the particle passes through a small hole in the plane. The string is pulled so slowly that you may consider the particle...

I'm trying to follow a very simple example example in a text (Marion/Thornton example 2.1) and I think my rusty calculus is tripping me up and I'm just being stupid. I understand how to derive the acceleration down the plane: \ddot{x}=g\sin\Theta but next they say 'we can find the...

Imagine u have a ball on top of an inclined plane. The ball is released, hence initial velocity is zero. Assume that air resistance and friction between the surface and ball is negligible. using kinematic equations, V2=2as, where a=gsinθ, θ is the angle of inclination of the plane and s is the...

Hi, how would i go about finding/resolving forces on an inclined plane with one mass on top of another? Friction is neglected between the mass and the plane. But you need to find the minimum allowable coefficient of friction between the two blocks. the incline is at 30 degrees block a on...

Hi, When a circular section object (cylinder, sphere of radius r) rolls down an inclined plane (at angle theta) it experiences both linear and angular acceleration due to gravity. I have read multiple times that: mg sin(theta) - friction = m a where friction = Torque/r From there on...

Homework Statement An inclined plane, fixed to the inside of an elevator, makes a 40 angle with the floor. A mass m slides on the plane without friction. What is the acceleration relative to the block if the elevator is a)accelerating upwards .35g b)accelerating downwards .35g? c)constant...

If the stopping distance with kinetic to static friction is: d=vi2/2ukg Then, What is the stopping distance equation on an inclined plane?

Homework Statement A 2.00 kg block is at rest at the top of a frictionless inclined plane. The block is...

I am writing a 2D simulation that involves multiple circles colliding with inclined planes. I want to collision response to be as true-to-life as possible but have hit a bit of a snag. Depending on the velocity of the circles, when colliding with the inclined planes, they may either bounce...

This caught my interest after someone posted the question on a cycling forum of would a heavy and light cyclist have different accelerations down an inclined plane when coasting from a stop. Many people had observed that heavier cyclists do indeed have a greater acceleration, but I wasn't...

Homework Statement Hi, here is my problem: A sled of mass 8kg is on frictionless slope inclined at 35 degrees to the horizontal. It is pulled by a rope whose tension is 40N and makes angle 20 degrees with the slope. a)Resolve all forces, acting on the sled into components parallel and...

Guys, I'm just bothered of my professor's answer in the problem we solved. Here are the given Given: Weight: 5000 N Coefficient: 0.4 Angle of the plane: 20º Solve for the required FORCE to move the box (5,000N) upward to the plane. This is the formula I used: Fn=Ff Fn(sin...

Homework Statement Two packages at UPS start sliding down the 18° ramp. Package A has a mass of 5.26 kg and a coefficient of friction of 0.22. Package B has a mass of 11.67 kg and a coefficient of friction of 0.15. How long does it take package A to reach the bottom? (s=2.1 m) Homework...

Homework Statement A box is pulled up an incline which is 285 m long and in the process the box rises 16.7 m. The force pulling the truck is 18300 N. A) If there was no friction, what is the weight and mass of the box? B)If friction provides a force of 17,400 N, what is the force pulling the...

Homework Statement This has a lot of parts, but I think I got the first few, or at least I'm on the right track. You have an inclined plane (30 degree angle, the ramp part is 3m) with a 1kg metal bar that is 2m long at the top (mu static = mu kinetic = 0.1). The sides of the plane are lined...

Homework Statement A solid disk of mass m = 2.2 kg and radius r = .20 m starts from rest at a height h = 3.2 m and rolls without slipping down an incline plane with an angle of 30 degrees above the horizontal. a What is the linear velocity of the disk at the bottom of the incline...

A block of mass M is being puled 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 theta with the horizontal, and the coefficient of kinetic friction between the block and the incline is uk. a)...

I need to calculate the efficiency of a inclined plane if a 60 pound box is being pushed up it... The inclined plane is 16 feet long (The plane itself, not the base) and it is raised up 4 feet high. Homework Equations efficiency= useful work output/total work input w=fd w= work...

Homework Statement A sight seen on many bunny hills across ontatrio is young skiers pushing on ski poles and gliding down a slope until they come to a rest . Obeserving from a distance , you note a young person (approximatly 25kg) pushing off with the ski poles to give herself an intial...

Homework Statement There is a cube of ice the top of inclined plane (for 20 degress) with height 4 meters. The inclined plane can move without friction along the surface. The mass of the ice is 1/4 of the mass of inclined plane. Calculate the acceleration of the inclined plane, when the ice...

I'm having problems with my initial approach on this problem: The figure below shows four choices for the direction of a force of magnitude F to be applied to a block on an inclined plane. The directions are either horizontal or vertical. (For choices a and b, the force is not enough to lift...

Hello everyone, Right now I'm working on an inclined plane problem. "a) The worker exerts a force(F) of 86 N. How much work does he do? (b) How much work is done by gravity? (Be careful with the signs you use.) (c) The coefficient of friction is µ = 0.20. How much work is done by...

Homework Statement 30g object slides on slope of 20 degrees, with kinetic coefficient of .20. Object is launched up from a spring at bottom of slope, which was compressed by 10 cm. Spring constant = 25 N/m. Find the total distance object travels up slope before reversing direction.Homework...

Homework Statement a straight horizontal rod slides along parallel conducting rails at an angle with the horizontal of 30 degrees (inclined plane). The rails are connected at the bottom by a horizontal rail so that the rod and rails form a closed rectangular loop. A uniform vertical field...

Homework Statement This man has mass 'm' and the angle of the plane is 'x'. The inclined plane is frictionless. He is standing on a scale which is placed on top of the blue wedge, what weight will the scale measure?Homework Equations The Attempt at a Solution If the man was standing on a...

Need Help ! Homework Statement Two bodies, A and B arrive at the base of a fricitonless inclined plane with equla momenta of magnitude p. mb=3ma. The ratio of the max. distance Db that B travels up the plane to the max. distance Da the A travels up the plane is : Db=Da ? is that correct ...

Homework Statement C:\Documents and Settings\Momar\My Documents\Momar\q.bmp Homework Equations The Attempt at a Solution I think that A will fall off the top of B, but i am not sure at all

Boom-Boom Slapshot, Canadian hockey star, slides down a 50m long ice covered hill on his skates. The frictionless hill is inclined at 35° to the horizontal. Once he reaches the bottom of the hill, the ice is covered with deep snow that has a coefficient of kinetic friction of .50 How far into...

Homework Statement You place a box weighing 265.5N on an inclined plane that makes a 43.2 degree angle with the horizontal. Compute the component of the gravitaltional force acting down on the inclined plane. Homework Equations m x g x cos(degree) The Attempt at a Solution 265.5...

Homework Statement In the attachment there is a drawing of the situation. Mass one = 4kg and Mass two = 5kg The coefficient of friction between mass one and the inclined plane = 0.24 Find the magnitude of the acceleration of the masses and the tension in the cord. Homework Equations Fk=...

**Mass sliding down an inclined plane (True/False) Homework Statement A block of mass M is sliding down an inclined plane and is accelerating. Which of the following statements are true? The acceleration of the block is dependent upon the angle of the inclined plane The normal force...

A 1140 kg car is held in place by a light cable on a very smooth (frictionless) ramp, as shown in the figure. The cable makes an angle of 31.0 degrees above the surface of the ramp, and the ramp itself rises at 25.0 degrees above the horizontal. Find the tension in the cable. (T=?) How...

http://i98.photobucket.com/albums/l263/Rampalski/randomlabel.png Using that picture above and this data... A block of mass M slides down a plane at an angle of 37o to the horizontal. The coefficient of kinetic friction = 0.20. The horizontal lines in the picture represent magnitude of forces...

Homework Statement please advise how to solve. seems i can't without d given, or t! a man drags a 130 kg object down an inclined plane at a speed of 1.40m/s The coefficient of friction between the object and the inclined plane is 0.800 and the angle of inclination with the horizontal is...

Hi every one, For an private school teaching job interview, I need to prepare and deliver a 15 minute lesson on "weight on inclined plane". The level of this lesson, I believe, is AP Physics. I am thinking of preparing the notes and deliver in the traditional method. Any ideas and...

Homework Statement An inclined plane is 30 degrees above the horizontal with a 2 kg ball at the top. Assume no friction or air resistance, and assume acceleration due to gravity is 10 [m/s^2]. Find the acceleration of the ball in the vertical and horizontal. Homework Equations F = ma...

Two masses are being pulled up a 30 degree incline by a force F parallel to the incline. The velocity is constant and up the incline. The force is applied to a 200 kg mass and a string connects the 200 kg mass to a 150 kg mass. The coefficient of kinetic friction is 0.2. The force F = ? So I...

1) A 1.0-kg object moving in a certain direction has a kinetic energy of 2.0 J. It hits a wall and comes back with half its original speed. What is the kinetic energy of this object at this point? Attempt at solution: 1/2mv^2 = 1/2m(0.5)v^2 2) An object of mass 10.0 kg is released from the...

Homework Statement A box with its center of mass off-center as indicated by the dot is placed on an inclined plane. In which orientation does the box tip over? Homework Equations Teacher didn't even mention anything related to this The Attempt at a Solution Since the CM was at...

Homework Statement A sled weighing 250 N rests on a 15° incline, held in place by static friction (Figure 5-61). The coefficient of static friction is 0.5. a)What is the magnitude of the static friction on the sled? The sled is now pulled up the incline at constant speed by a child...

Assume there is no friction in the system. Can anyone write formulas for acceleration of both the small object and the triangular object? (Gravity is downwards, no other force such as air drag etc.) http://img83.imageshack.us/img83/6036/asdasdcf6.png

Homework Statement Not a problem but an experiment were I have not been told what I need to calculate. I have a trolley rolling down an inclined plane. We recorded the speed(light gates) at two different points and all distances involved(height of plane, distance between gates etc). We did...

Homework Statement A block is given a initial speed of 5.0 m/s up the 20° plane. (a) How far up the plane will it go? (b) how much much time elapses before it returns to its starting point? Homework Equations I think V= u + at s=ut t 1/2at^2 v=d/t The Attempt at a Solution...

Homework Statement Draw and label the free body diagram of a block on a plane inclined 30 degrees from the horizontal. There is friction and the block is stationary. The magnitues of the vectors must be correctly scaled and the directions correct. And then my other question is how to find...

Hello everybody! ;) I've got problem with task below, I've got few days to solve it and I've got some troubles: On inclined plane with variable angle of inclination we set cylinder and ball on the same height above the ground. The friction factor for both objects comes to 0,1 - it's the...

Homework Statement A block slides down an inclined plane with friction. It is sliding at a constant speed. The only forces acting on the block are its weight and contact forces due to the incline. The inclined plane is stationary. The inclined plane is a wedge that is highest on the left...

ok I'm desperate now lol n this is my first time on PF. I've just had an exam and I'm sure i got this question wrong. But i'd like to know: the normal reaction force and the tension/Force F. The question is: There is this object that has a weight of 20N. It is on an inclined plane that is 30...

Homework Statement A horizontal force of 2N is just sufficient to prevent a block of mass 1kg from sliding down a rough plane inclined at arcsin 7/25 (=16.3 degrees) to the horizontal. Find the coefficient of friction between the block and the plane and then acceleration with which the block...

if a block of mass m is to slide up an inclined plane to at least a height of h (with no friction), what is the minimum kinetic energy it must have? no numbers are included...just supposed to know an equation to get the answer.

A 100 kg box is pulled up an inclined plane by a massless, frictionless winch to which it is attached by a massless rope. The plane makes an angle of 45° with respect to the horizontal. The coefficient of friction between the box and the plane is μ = 0.25 (with μs = μk). The winch has a radius...