Inclined plane Definition and 822 Threads

Homework Statement Homework Equations Wnet = Ek The Attempt at a Solution 1) That was fine. 2) I just want to confirm if this answer is right?, I got 12.28N. Used work energy theorem. Sorry for double post, edited the title

Homework Statement A block of mass M has a string of mass m attached to it. A force F is applied to the string and it pulls the block up a frictionless plane inclined at angle θ to the horizontal. Find the force the string exerts on the block. Homework Equations F = ma The Attempt...

Homework Statement A block at t=0 is at the bottom of the plane and is projected up an inclined plane with initial speed v0. The plane's acute angle is θ above the horizontal, and the coefficient of friction is μ between the block and plane. Find the time (t) and velocity (v1) of the...

Homework Statement Hi, I just had a quick conceptual question. I understand that if I have an object moving down a ramp, it is being accelerated only by gravity. My question is this: We should be able to experimentally calculate g if we measure the acceleration down the ramp. Then we can...

Homework Statement A block with mass M is on an inclined plane having an angle of \theta with respect to the horizontal. The coefficient of friction is \mu. Find the maximum mass that the block can have before sliding down. Homework Equations \mu_{s}= tan(\theta) - I derived this and tried to...

Homework Statement A force of magnitude F acting up and along a smooth inclined plane, can support a mass M in equilibrium. If a force of the same magnitude acts horizontally, it can support a mass m on the same inclined plane in equilibrium. Find a relationship between F, M and m which is...

It seems that I could have a solid cylinder roll down faster than a solid sphere if the center of the solid cylinder had a very dense material and then a less dense material towards the outside.

Homework Statement A particle is projected from a point o with initial velocity u up a plane inclined at an angle 60° to the horizontal. The direction of projection makes an angle ∅ with the horizontal. The maximum perpendicular height is H. prove that H = u^2( sin^2(∅) ) / g Homework...

Homework Statement A particle is projected with initial speed u at an angle tan-inverse(1/2) to an inclined plane. The plane contains the point of projection and makes an angle tan-inverse(3/4) with the horizontal. Show that the angle at which the particle strikes the plane is tan-inverse(2)...

A luggage handler pulls a 20.0- kg suitcase up a ramp inclined at 25°above the horizontal by a force of magnitude 140 N that acts parallel to the ramp. The coefficient of kinetic friction between the ramp and the incline is If the suit-case travels 3.80 m along the ramp, calculate (a) the work...

Homework Statement A ball (considered as a point) of mass m = 1.5kg is launched from a spring with a Δx= 5cm. Find the elastic constant K knowing that the ball is forced to travel the path ABC and that at point C its speed is zero. AB has no friction while BC has a friction μk=0.05. At point C...

A 30-N box is pulled 6.0 m up along a 37 °inclined plane. What is the work done by the weight (gravitational force) of the box? Ok so attempt goes like this: W = FDCOS(37) So force weight parallel to the plane is 30sin37 = 18.05N " perppendicular " 30cos37=...

A 2.0kg wood block is launched up a wooden ramp that is inclined at a 32 degree angle Initial speed of the block is 8 m/s and the coefficient of kinetic friction is 0.2. a) what height does the block reach above its starting point? b) What speed does it have when it slides back down to...

[b]1. What would be the effect on the impact force of a lower or higher release point of a metal ball in an inclined plane. [b]2. I don't know what to do here.. or how to answer. My teacher told us to include formulas to prove our answers.

Homework Statement A smooth sphere falls vertically and strikes a fixed smooth plane inclined at an angle of ∅ to the horizontal.If the coefficient of restitution is (2/3) and the sphere rebounds horizontally, Its speed before impact is u and after impact v calculate the fraction of kinetic...

Q:Two blocks are tied together on an incline The first box is on a 30 degree incline with he horizontal and is 1 KG, the wire from it runs over a pulley that goes to a mass of 2KG . If both the pulley and the incline are frictionless: a) What is the acceleration of the 1.0 kg block up the...

Homework Statement See the image. Homework Equations T=Iα, F=ma, I=0.5*m*r^2, Friction=u*N The Attempt at a Solution I used the torque equation to get Tension = mcylinder*a/2, and then plugged that into a force equation for the block. mblockgsin(30)-Tension-Friction=mblock*a so...

Hi there I was wondering if someone can help me on this attachment I am stuck on question 1.3 and 1.4. This was an experiment to see relationship between sin and gradient I have confidently completed the first two questions but it is the last two questions which are troubling with I am finding...

Homework Statement A particle of mass m is projected with velocity of magnitude u at an angle of θ, measured anticlockwise from the line parallel to the plane, from a point (sx,0,sy,0) on a plane inclined at an angle of α measured anticlockwise from the line parallel to the ground. The...

Homework Statement A frictionless, incline plane at 20 degrees has a spring with force constant k=500N/m attached to the bottom, parallel to the inclined plane. A block of mass m=2.5kg is placed on the plane at a distance d =3m from the spring. From this position the block is projected...

Homework Statement A toy car of mass 20kg is pushed up the entirety of a 35m slope, inclined at an angle of arcsin(2/7) to the horizontal. The height at the top of the slope is 10m. The applied force which pushes the car up the slope is 100N, initially, the toy car is stationary...

A physics student shoves a 0.5 kg block from the bottom of a frictionless 30 degree plane. The student performs 4 joules of work and the block slides a distance "s" along the inclined pane before it stops. Find the value of s W = (F * Cosθ) * D I plugged in 4 joules for work, multiplied .5 kg by...

Homework Statement A toy car of mass 20kg moves down a slope of length 35m, which is inclined at arcsin(2/7) to the horizontal. The height of the car initially is 10m, and a constant frictional force of 100N acts against the car through motion. Calculate the work done, power and efficiency of...

please help! The formula for kinetic friction acting on a sliding body is μkN When the body is sliding with constant velocity down an inclined plane fk=μkN When the body is sliding up the inclined plane(say due to a force acting parallel to the inclined plane) with constant velocity...

Homework Statement A block weighing 70.0 N rests on a plane inclined at 25.0° to the horizontal. A force F is applied to the object at 50.0° to the horizontal, pushing it upward on the plane. The coefficients of static and kinetic friction between the block and the plane are, respectively...

Homework Statement The mass of the ball: 136 G Length of the slope that its sliding down: 132 Cm Angle of the slope that its sliding down: 11,5228 ° All I have to do, is to find the velocity, and the acceleration of the ball. Though my teacher has given us no time at all for this project...

Homework Statement A wooden box is at rest on a ramp inclined at an angle Ө to the horizontal. W is the weight of the box and its contents. A frictional force prevents the box sliding down the ramp. A reaction force acts on the box perpendicular to the inclined plane. The inclined plane is...

Hello, My name is Neil I'm a high school senior in AP Physics C, I'm still taking Pre-Calculus (I know my counselors aren't the brightest) and I'm having trouble with this problem. Homework Statement Find the acceleration of the block down the plane. I have a picture with a block on an...

Homework Statement I have a question from my homework. My homework is completed, but I've been running some thought experiments lately and I wish to conceptually discuss this. The problem has to do with a hoop rolling down an inclined plane. I had to find the Normal Force using...

Homework Statement A small object of mass m is given an initial velocity u at point A. Just after it passes B the reaction force between the object and the surface drops at half the previous value. If the coefficient of friction between the object and the surface is μ=0.3, find the initial...

Homework Statement See image: http://s18.postimage.org/6ql2zlo2x/board_n_cylinders.png The Attempt at a Solution I know it says conservation of energy but I just wanted to do it in terms of torque and forces first. The reason I'm not sure about my answer is because I barely had to use more...

A conductingng bar of mass 1. w kg and length l = 1. x m is placed at rest on a frictionlsss plane inclined at an angle θ = 2 y degrees to the horizontal. A current I= 4 A flows through the bar in the − ˆj direction, and there is a uniform magnetic field B = 1 T in the kˆ direction. (a) What...

Homework Statement If the incline plane is 10 m long, and it is elevated at an angle of 30 degrees: If a 5kg object takes t1 seconds to go down the ramp and a 10kg object takes t2 seconds to go down the ramp... What is the relationship between t1 and t2? Homework Equations F = ma Fx of...

Homework Statement I´ll need an image to show the problem: A bike with length L is on an inclined plane, the distance between the center of gravity and center wheel centers A,B is L/2. Brakes are acting on the wheels so we have a static position. In the picture is possible to...

A light ball and another heavy ball is alowed to roll on an inclined plane. which ball travel the farthest after the inclination.? my teacher and friends argue giving difffrent points like energy,inertia...etc and reach in different conclusions. which really will travel farther if we...

Homework Statement a block of mass 2kg is in at rest on a rough plane inclined at 30°, it is in limiting equilibrium with with a force of 20N applied horizontally (to the ground). Find the coefficient of static friction between the block and the plane.The Attempt at a Solution...

Homework Statement A dump truck loaded with rock has a coefficient of static friction of 0.4, and a coefficient of kinetic friction of 0.2 between the rock and steel tray. If the truck tilts its bed to 25°, calculate the coefficient of static friction on the load. Hence calculate the angle...

Homework Statement I believe that I have my answer. I would appreciate it if someone could check my work. m1 = 33 kg m2 = 14 kg μ = 0.19 Angle is given by 5,12,23 triangle shown in figure. Assume pulleys are massless. What is the acceleration of mass m2 on the incline plane...

Homework Statement A small block with mass m is sitting on a large block of mass M that is sloped so that the small block can slide down the larger block. There is no friction and no drag force. The center of mass of the smal block is located a height H above where it would be if it were...

Problem: In beginning mechanics physics labs, it is very often the case that you get large experimental error. This can be due to a number of factors, friction, of course, being a major player. However, it can also be the case that you might be comparing apples to oranges. For example, if you're...

I haven't taken a physics course in years so I am little lost. A ball is thrown with initial speed $v_0$ up an inclined plane. The plane is inclined at an angle $\phi$ above the horizontal, and the ball's initial velocity is at an angle $\theta$ above the plane. Choose axes with $x$ measured...

Homework Statement A block with m=20kg is sliding on top of a block of M=10 kg that is sliding down an inclined plane with 30 degrees to the horizontal. All surfaces are frictionless. Calculate the acceleration of the blocks.Homework Equations Newtons second law: F⃗ net=ΣF⃗ =ma⃗ The Attempt...

A driver traveling down a 4.6 degree incline slams on his breaks, coming to rest 30m later. If the coeficient of kinetic friction between the tires and the road were 0.45, how fast was he initially traveling? The only way I can think of solving this problem is to differentiate distance to get...

Homework Statement A block of mass m is on an inclined plane of mass M, inclined at angle θ, and slides on the plane without friction. Find the acceleration of the plane. The Attempt at a Solution I am using the usual cartesian coordinate system with no rotations and letting up and forward be...

Homework Statement A conducting bar of length is placed on a frictionless inclined plane which is tilted at an angle θ from the horizontal, as shown in annexed figure. A uniform magnetic field is applied in the vertical direction. To prevent the bar from sliding down, a voltage source is...

Homework Statement A block of unknown mass is sent up an incline plane of 30 degrees with an initial velocity of 3 m/s. The coefficient of friction is 0.5. Find the distance the block travels up the incline before it stops. Homework Equations F = ma v^2 = (v_0)^2 + 2a(x - x_0) The...

Okay so my physics teacher assigned us with some problems to complete and one of them in particular is really confusing me. Attached is a picture of the problem. It just really throws me off when we have to keep it in variable form. So if someone can just walk me through it a little it would be...

Homework Statement A system comprising blocks, a light frictionless pulley, a frictionless incline, and connecting ropes is shown. The 9 kg block accelerates downward when the system is released from rest. The acceleration of the system is closest to: A.) 1.9 m/s^2 B.) 2.1 m/s^2 C.) 1.7 m/s^2...

Homework Statement Experiment set up. A 208g weight is attached via a pulley system to a block on an inclined plane. What is the work done by the suspended mass as the car is lowering at a constant velocity? And work done by gravity? Distance weight moves down - 24.7cm Incline is 30...

Homework Statement A cylinder on a inclined plane is rolling without slipping. Inclined plane is connected to wall with a spring and cylinder is connected to wall with a spring too. All frictions will be neglected, and all the given data has shown on the image below. As seen above, k2...