Inclined Definition and 1000 Threads

Homework Statement A block of mass 10kg moves along a surface inclined 30° to the horizontal. The centre of gravity of the block is elevated by 3m and the kinetic energy of the block decreases by 50J. The block is acted upon by a constant force Rparallel to the incline and by the force of...

Homework Statement A block of mass m1 is placed on an inclined plane with slope angle a and is connected to a second hanging block of mass m2 by a cord passing over a small frictionless pulley the coefficient of kinetic friction is uk the system is released from rest with block m2 dropping a...

Homework Statement A 3.6 kg block slides down an inclined plane that makes an angle of 27 ◦ with the horizontal. Starting from rest, the block slides a distance of 2.4 m in 6.2 s. The acceleration of gravity is 9.81 m/s 2 . Find the coefficient of kinetic friction between the block and...

Homework Statement A crate, mass = 275 kg, sits at rest on a surface that is inclined at 20.0° above the horizontal. A horizontal force (parallel to the ground), F = 583 N is required to just start the crate moving down the incline. 2. The attempt at a solution U = (((mg sin (∅)) +...

A 2319kg car is moving down a road with a slope grade of 11% and slowing down at a rate of 3.8m/s^2.Find the direction and magnitude of the frictional force ( define positive in the forward direction ie down the slope) So the equation I have is f= ma+ mgsinθ. For my angle I get...

Homework Statement We let a ball with mass m to slide down under the influence of his weight the path defined by the chord or the path defined by the arc of the circle until the ball reach the lowest point, as it seems from the picture. In which path the ball will make the shorter time to...

Stress -- Cross-sectional and Inclined planes As per attachment... "On the cross-sectional plane mm the uniform stress is given by P/A, while on the inclined plane mm the stress is of magnitude P/A'. In both cases the stresses are parallel to the direction of P." The parallel part...

7. A block of mass m = 5.5 kg is pulled up a θ = 22° incline as in the figure with a force of magnitude F = 38 N. (a) Find the acceleration of the block if the incline is frictionless So I got this one right, and here is what I did... From the free body diagram I drew: Fnet = (38...

Homework Statement Solve for g in terms of d, t, and theta on an inclined plane. Homework Equations Fnet=ma and d=Vit + .5a*t^2 The Attempt at a Solution Solving for a on an inclined plane I get g*sin theta. Using the equation for constant acceleration d=Vit + .5a*t^2 I solve...

Homework Statement Two blocks connected by a cord passing over a small fictionless pulley rest on an double inclined plane (ie a traingle) with static friction coefficient of 0.5 and a kinetic friction coefficient of 0.4. The mass of block A is 100 kg (sitting at 30 degrees), while the mass of...

Homework Statement A car is parked near a cliff overlooking the ocean on an incline that makes an angle of 14 with the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline and has a velocity 5 m/s...

Consider two balls on an inclined track with a constant angle. Ball Q is released from rest a tthe top of the track. Ball P is given an initial velocity directed up the track. Both balls have a constant acceleration directed down the track. at the instant that the balls collide, ball Q is going...

A small ball is launched from the corner of an inclined plane. When the inclination of the plane θ is 70° the max range of the projectile is 50 cm. Later the inclination of the plane changes to a new unknown angle and the same projectile launcher is oriented at 30° to the horizontal line. The...

I want to test several different fluids on an inclined planes and figure out which one is the most slippery. What would be the most scientifically sound way to measure this?

Consider two balls on an inclined track with a constant angle. Ball A is released from rest at the top of the track. Ball B is given an initial velocity directed down the track. At the instant that the balls collide, Ball A is going 4 times as fast as Ball B. Ball B is still traveling upward...

There is a box of mass m on a wedge of mass M with angle θ (the triangle also has a angle of 90 degrees). I need to find the force applied on the little mass, this is what I got: F=-mgsinθ+Mgsinθ Where the first term refers to the force of gravity applied to the mass m and the second term...

Homework Statement Two bodies are acting on one another on an inclined surface. Assuming a constant vertical input force and the lower body being vertically fixed in place on the right hand side, what will the angle of the inclined surface affect. In essence, will the vertical component of...

Homework Statement What are the directions of my forces acting on mass m with respect to my "m" frame (see attachment)? Homework Equations some trig and transformations maybe... The Attempt at a Solution I know I only have tension, weight, and a normal force acting on my particle but I...

Homework Statement (there's a diagram that shows a crate on a plane inclined 19.29° above the horizontal) Find the coefficient of kinetic friction. θ = 19.29° mcrate = .205 kg Homework Equations Ff = FN*μk Fg = mg FN = cosθ*mg The Attempt at a Solution I drew out a free-body diagram for...

Homework Statement Please see attachment. When θ = 0, mass m is at the bottom of the inclined plane. If I create a frame at origin O, with axes along the bottom of the plane and the dotted line (as shown in the picture), will my magnitude of the vector from O to A (along the dotted...

Homework Statement Starting from rest , a body slides down a 45° inclined plane in twice the time it takes to slide down the same distance in the absence of friction. The coefficient of friction between the body and the inclined plane is , a)0.275 b)0.75 please answer with working...

If you have a tube and a solid cylinder of the same dimensions and density and rolled them down an inclined plane the 'tube' would cover the same distance in less time?

Homework Statement A 60-N block rests on a 35 degree inclined plane. Determine the normal force and find the friction force that keeps the block from sliding. Homework Equations The Attempt at a Solution Drew the free body diagram with each vector, not sure how to figure the...

If the angle of a frictionless inclined plane 'a' is such that a=wt where w is angular velocity and a is a function of t and an object is sliding down that plane then... if m is the mass of the object m(dv/dt)=mgsin(wt) solving for v i got v=(-gcos(wt)/w) Why is the velocity...

Homework Statement An older gentleman drags a wooden crate (m = 10 kg) containing his childhood toys out of storage. The 120 N force F that he applies on the crate makes an angle of 30° with the horizontal. The coefficient of kinetic friction μk between the well-polished floor and wooden crate...

I can work out the acceleration of a block that will take along the plane when the axes are the ones along and perpendicular to the inclined plane. But, when I choose a horizontal and vertical axis I end up with the same mistake as this guy in this thread did...

I know that force parallel (the force of the block down the inclined plane) in this case should be mgSin(theta), but why is the derivation in the picture wrong? According to that triangle could it not be mg/(Sin theta)?

If we Are moving an object on an inclined surface than shouldn't friction be in the same direction?

Homework Statement Block of mass mA = 2kg - lying on frictionless inclined plane with a slope of 20 degrees. connected to mA via frictionless, massless pulley and massless cord... mB = 3kg http://img152.imageshack.us/img152/8286/imag0103l.jpg Homework Equations F= Mass *...

Homework Statement A block is given an initial speed of 3m/s up a 22° inclined plane. How far up the plane will it go? How much time elapses before it returns to its starting point? Homework Equations D = 1/2at2 a = Δv/t Vf2 = Vi2+ 2a*d The Attempt at a Solution The Vy is 1.12m/s...

Simply, what the title sugests, would going downhill on inclined plane be considered a simple machine? If so, how is this decreasing the amount of force needed?

Homework Statement A box is hurled up an incline plane of 20 degrees at 10m/second. There is no friction. What is the velocity after 3 seconds. I know gravity and the sin of 20 degrees has to be factored in. Homework Equations v=u+at. u is initial velocity, v is velocity after 3...

Homework Statement Body A in Fig. 6-33 weighs 96 N, and body B weighs 88 N. The coefficients of friction between A and the incline are μs = 0.54 and μk = 0.24. Angle θ is 42°. Let the positive direction of an x-axis be down the slope. What is the acceleration of A if A is initially (a) at...

Homework Statement A cable is pulling a 200kg block up an inclined plane elevated at 30 degrees with 3.5KN of force. How fast is the block accelerating at? θ = 30 g = 9.81 m = 200kg μ = 0.35 F = kN Homework Equations F = ma The Attempt at a Solution Wasn't sure how to do this problem, I...

Homework Statement Problem: "On the 50 degree ramp below an empty barrel is sliding up it to get filled at a factory. The empty barrel has a mass of 24kg and has an initial velocity of 1.2m/s. The kinetic coefficient of friction between the barrel and the ramp is μ =0.48 Finally a...

I am a stagehand and I was just doing a job yesterday involving running crates on wheels up a ramp to the loading bay. I thought it would be interesting if I could make a physics equation out of it and determine the amount of work I did. Homework Statement If I want to determine how much...

Homework Statement The situation is indicated in the diagram below. Block m is at rest, and the block M has an initial velocity upward. Need to find the Lagrangian of this system, and then the Euler-Lagrange equations. The Attempt at a Solution This is the Lagrange that I came up with...

What is the moment of inertia of a rectangular plate making an angle except right angle or multiple of right angle with it's axis which is passing through the centroid of the plate?

I have been using the formula a = g sin(theta) to process my data I am however pretty sure something is wrong. I doubt it is my data that is wrong, even though when I look at them they look weird in the sense that I would think that after one second the acceleration should have been doubled...

A wedge with face inclined at an angle theta to the horizontal is fixed on a rotating turntable. A block of mass m rests on the inclined plane and the coefficient of static friction between the block and the wedge is μ. The block is to remain at position R from the center of the turntable, as...

Homework Statement Monochromatic beam of incident light on the surface of the glass wedge, whose upper edge is inclined at an angle of γ = 0.05 ° from the base. In reflected light observe a number of interference fringes, the distance between adjacent dark streaks is △X = 0.21 mm. Calculate...

Hi guys can you help me with this question? any hint is helpful.. an object of weight of 10 kg is to be raised 2 m off ground. there's an inclined plane for it with a freely chosen angle. How much work must be applied for the plane with 0.5 friction when after 1 m , the object its...

Homework Statement A solid sphere of mass 3.00 kg and radius 12.5cm rolls without slipping down an incline of angle 13.5 degree for 250 m. Find the minimum coefficient of static friction required for a rolling without slipping. What is the velocity of the center of the sphere at the bottom...

1.) if there are two blocks of different masses rolling down an inclined plane, will their velocity be same? if so then how? there's no friction between the plane and the blocks. 2.) there is a plastic boat in a tub, filled with metal rods. if the metal rods are taken out of the boat and put...

Homework Statement A 3.0kg solid cylinder (radius=.15m, length=.7m) is released from rest at a top of a ramp and allowed to roll without slipping. The ramp is .9m high and 5m long. Find the rotational and translational kinetic energy. Homework Equations krot=1/2Iw^2 Ktrans=1/2mv^2...

A Black Garden Ant is seen dragging a caterpillar with mass = 1.5g = .0015 KG the ant manages to accelerate the caterpillar at 1mms^-2 Assume that friction between the caterpillar and the ground can be ignored. (a) What force has the ant applied to cause this acceleration?(b) The ant bites...

In this problem they show a diagram of a pulley system with an inclined plane (25 degree incline). There is a box called m1=47kg resting on the incline plane and m1=35kg hanging on the vertical line. The question reads: The coefficient of friction between m1 and the surfvace of the inclined...

This is an even-numbered problem in my textbook that I'm looking at early though it hasn't been taught by my lecturer yet, because I need to know the concepts underlying it for a similar problem. Cld someone help me? Homework Statement Consider the case of a hollow cylinder rolling down a...

*****Homework Statement **** Two blocks, A and B, are sliding down an inclined (20 degrees) plane. Block A is sliding in front of block B with both of them touching. The blocks slide from a distance of 6.50m from the bottom (along the inclined plane, not the surface the plane rests on)...

Incline Surface force deleted