Inclined plane Definition and 822 Threads

Homework Statement http://img192.imageshack.us/img192/6482/asderl.jpg Find S(t). Homework Equations I managed to find these equations, but don't know how to solve them completely. mx``=Rsinφ my``=Rcosφ-mg xtgφ+y=h x`(0)=0; x(0)=0; y`(0)=0; y(0)=hThe Attempt at a Solution Need to find...

Homework Statement Two bullets are shot with different velocity from the same gun placed parallel to an inclined plane. Which one will strike the plane first? 1. the faster 2. the slower 3. neither, both strike the plane at the same time Homework Equations Kinematics equations... The Attempt...

Homework Statement A cylinder is pure rolling up an inclined place. It stops momentarily and the rolls back. In what directions is the force of friction directed during the journey? The Attempt at a Solution While going up, the cylinder rotates in the anticlockwise direction, and so the...

Homework Statement A particle is projected from a point P on an inclined plane, up the line of greatest slope through P, with initial speed V. The angle of the plane to the horizontal is θ. (i) If the plane is smooth, and the particle travels for a time \frac{2Vcosθ}{g} before coming...

Homework Statement A transporter of mass m rolles down a hill with an incline of 20° for a distance of 10m before hitting a wall on the bottom of the hill. Homework Equations calculate the impact force. The Attempt at a Solution This homework ask to simulate the impact in...

Attached is an image showing the problem. Supposed the β, θ, and √o are given. How do we get the distance from the initial position of the ball to the final position on the inclined plane?

Homework Statement A box with a mass of 22kg is at rest on a ramp inclined at 45 degrees to the horizontal. The coefficient of static friction is 0.78 determine the magnitude of the smallest force that can be applied onto the top of the box, perpendicular to the ramp if the box is to...

Homework Statement A block of mass m is held motionless on a frictionless plane of mass M and angle of inclination θ. The plane rests on a frictionless horizontal surface. The block is released. What is the horizontal acceleration of the plane? (Introduction to Classical Mechanics by David...

a sphere and a hoop both of same mass (e.g. 'm') roll down an inclined plane without slipping...which will get to the bottom first..will they have equal kinetic energies when they reach the bottom?

1. Homework Statement A block given an intial velocity of 2m/s up a frictionless inclined at 60 degrees to the horizontal. What is the highest point reached by the block? 2. Homework Equations gsin(θ)=a a=v/t d=vit + 1/2at^2 3. The Attempt at a Solution Found vx = vsin60=...

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Homework Statement Find the normal force acting on a mass of 5kg on an incline plane of 30 degrees. Homework Equations Fn = mgsin30 or mgcos30 ? The Attempt at a Solution I'm not sure if I use sin or cos when finding the normal force on an incline. I have trouble visualizing the...

Homework Statement A body of mass m = 2.5kg is on a frictionless inclined plane (by 40°). At an height of h = 1.6m. On the bottom of the plane there's a spring, which at rest has an extension of 30cm. If the spring is compressed maximum of 12cm, what's the "k" of the spring? Homework...

Homework Statement A horizontal force F is exerted on a 20kg box to slide it up a 30 degree incline. The friction force retarding the motion is 80N. How large must F be if the acceleration of the moving box is to be .75 m/s^2? Homework Equations All the forces on the box in the x and y...

Homework Statement A 250N force is directed horizontally to push a 29kg box up a plane that is inclined at 27 degrees to the horizontal. the box moves up the plane at a constant speed. Determine the magnitude of the normal force, and the coefficient of kinetic friction. g=9.8m/s^2 a(y) =...

Homework Statement The original problem was as follows: A civil engineer wishes to redesign a curved roadway in such a way that a car will not have to rely on friction to round the curve without skidding. In other words, a car moving at the designated speed can negotiate the curve even when...

Yet another question i was unable to finish last semester which still bugs me... D: A ball drops from (H) with a velocity = 0. with a mass M. It collides with an inclined plane with a mass M1. the ball goes exactly horizontally to the right, the incliend plane goes to the left. Momentum is...

Homework Statement A 4,535,924-kg ship rests on launching ways that slope down to the water at an angle of 10 degrees. If the coefficient of sliding friction is 0.18, how much force is needed to winch the ship down the ways into the water?Homework Equations Force of friction=μFn Force parallel...

Homework Statement Homework Equations on a inclined plane an object is at stationery. β accelaration is applied horizontally towards the inclined plane(no friction at all no where) being object is at rest relative to the inclined plane.the angle of the inclined plane is θ sinθ=1/x.what...

Homework Statement A 25-kg box slides, from rest, down a 9.0-m-long incline that makes an angle of 15° with the horizontal. The speed of the box when it reaches the bottom of the incline is 2.4 m/s. (a) What is the coefficient of kinetic friction between the box and the surface of the...

Homework Statement We have an inclined plane, 20 degrees, with two blocks on it. The higher block (m2) is 15 kg and the lower block (m1) is 20 kg. A 200N force is applied to the blocks and they move up the inclined plane at a constant speed. What force does the 15 kg block exert on the 20 kg...

I need someone to double check it, because this was an exam given by my teacher and I am trying to solve it, but I do not have any results so I would like to know if I did it correctly or not. Thank you! Homework Statement Two blocks m1 = 50kg and m2= 100kg are attached to a rope as shown in...

1. A box of mass 28 kilograms is held at rest on a rough plane inclined at an angle of 60° to the horizontal by a rope attached to a vertical pole. When the rope is cut the box moves down the plane with an acceleration of a m/s^2. Find the expression for the coefficient of friction µ, in terms...

Mass on an inclined plane with friction! There is a mass at the bottom of an inclined plane. It travels with an initial velocity up the inclined plane at an angle θ. There is a coefficient of friction on the ramp. How far up the ramp will the mass go before stopping? What is the speed of the...

There is a mass at the bottom of an inclined plane. It travels with an initial velocity up the inclined plane at an angle θ. There is a coefficient of friction on the ramp. How far up the ramp will the mass go before stopping? What is the speed of the block when it returns to the bottom of the...

There is a mass at the bottom of an inclined plane. It travels with an initial velocity up the inclined plane at an angle θ. There is a coefficient of friction on the ramp. How far up the ramp will the mass go before stopping? What is the speed of the block when it returns to the bottom of the...

Hi everyone ! My name is Sean. I'm a new member of this forum. I couldn't do any attempts for this problem. Actually, i did many attemps but they went wrong. Homework Statement How can i solve this problem ? Your friend is late for school and is running with a speed of v_f up a hill which...

This is something I remember as a standard problem given to college math and physics students ... I've been hunting for a model answer online but no luck: everyone is happy to do the cylinder on it's side or a truncated cone or the intersection of two objects with a lot of symmetry in common but...

Homework Statement On Mountain roads, ramps of gravel are constructed to allow trucks that have lost their brakes to come to a stop. Suppose a 15,000kg truck hits one of these ramps at 35m/s. The incline of the ramp is 6 degrees and the coeffiecent of friction is 0.40. By using work and...

Is there any difference in the force I need to apply between pushing and carrying a mass upward along an inclined plane with a constant velocity ? I'm puzzled with the normal force of the mass at the inclined plane. When I push up a mas, the normal force of it is exerted by the inclined...

Homework Statement An inclined plane of angle 20.0° has a spring force constant k = 500 N/m fastened securely at the bottom so that the spring is parallel to the surface (as shown in the attached photo). A block of mass m = 2.50kg is placed on the plane at a distance d = 0.300m from the...

Homework Statement An 8kg block rests on an inclined plane where theta=37 degrees. The coefficient of kinetic friction on the plane is .23. The 8kg block is connect by a massless, frictionless pully to a hanging 16kg block. The blocks are released from rest. What is the acceleration...

Homework Statement A box of mass m with an initial velocity of v0 slides down a plane, inclined at θ with respect to the horizontal. The coefficient of kinetic friction is μ. The box stops after sliding a distance x. How much work is done by friction? Homework Equations...

Hello everyone, I'm stuck on a dynamics review question. I was told to solve like I would with other inclined planes, however mass was not given. I am not sure how to proceed. Homework Statement A roller coaster reaches the top of the steepest hill with a speed of 1.4 m/s. It then descends...

So we did a lab in class using an inclined air table, two pucks and a spark timer. Only one puck was used and we "launched" it in a way that when the spark timer was activated, it traced a parabola on the sheet of paper over the air table. What I don't understand is: why is horizontal...

Homework Statement The air table is approximately 25 cm square. If the incline has a rise of 1cm over that distance, what is the maximum velocity up the slope that a puck may have and not hit the upper wall Homework Equations ymax = (V^2sin(θ))/(2g) xmax = 2V^2sin(θ)cos(θ)/g The...

Homework Statement A 2kg box is at the top of an inclined plane that is 10m long. The inclined plane makes an angle of 30° with the ground. The μk of the ramp is 0.36 and the μk of the flat ground at the end of the ramp is 0.50. How far does the box travel along the flat ground until it stops...

Homework Statement A 3.00 kg block starts from rest and slides a distance d down a frictionless 30.0° incline. While sliding, it comes into contact with an unstressed spring of negligible mass. The mass slides an additional 0.219 m as it is brought momentarily to rest by compression of the...

1. Homework Statement [/b] Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 42.0°. The objects are released from...

Homework Statement A box with a mass of 6.00 kg is at rest on a ramp that is at an angle of 20 degrees with the horizontal. The coefficient of static friction between the box and the ramp is 0.800. Use g = 9.80 m/s2. You now want to make the box move by applying a force. To start the box...

Homework Statement A skateboarder slides down a frictionless ramp inclined at an angle of 30° to the horizontal. He then slides across a frictionless horizontal floor and begins to slide up a second incline at an angle of 25° to the horizontal. The skateboarder starts at a distance of 10 m from...

"A loaded penguin sled weighing 69 N rests on a plane inclined at angle θ = 22° to the horizontal. Between the sled and the plane, the coefficient of static friction is 0.25, and the coefficient of kinetic friction is 0.20. (a) What is the minimum magnitude of the force , parallel to the...

Homework Statement A block is given a push up an inclined plane with an initial velocity. At what time will the speed of the block be equal to the initial velocity again? No varialbes are given. Homework Equations v= v(initial) + at The Attempt at a Solution The final...

Homework Statement A 1160 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 normal force along...

Homework Statement I need a little help here. 2. What could be the absolute largest acceleration we could obtain in this experiment? (just look at the equation you derived in lab).We are working with an inclined plane set at15.86 degrees. The ball is solid and weighs 67 grams The diameter of...

Greetings! This is my first post on this forum :) ("Fasit" means solution in Norwegian) Homework Statement Inclined plane, 30 degrees from horisontal Two boxes tied together. BoxA = 4 kg, friction coefficient = 0,25 BoxB = 8kg, friction coefficient = 0,35 Box A is closest...

Suppose a box is sitting, motionless, on an inclined plane which makes an angle \theta with the horizontal. If I'm not mistaken, if one writes out Newton's law in the y direction (if +y is up), one gets N \cos \theta - mg = 0; i.e., N = mg \sec \theta. However, if you ROTATE the coordinate...

Homework Statement Suppose the angles on an inclined plane are 60*(left-hand side) and 20* (right-hand side). If the left-hand mass is 2.1 kg, what should the right-hand mass be so that it accelerates downslope at 0.64 m/s/s? Homework Equations F=ma The Attempt at a Solution...

Homework Statement A homogenous thin cylinder is put on an inclined plane (angle of elevation is α). The coefficient of friction is \mu . What is the speed of the centre of the mass of the cylinder and it's angular velocity at distance l from the start of motion. Homework Equations...

Homework Statement A body of weight W rests on a rough inclined plane and a force P acting at angle \alpha with the inclined plane just prevents the body from sliding down . If the inclined plane makes an angle \phi with the horizontal , prove that P = W\frac{sin(\phi -...