Cart Definition and 308 Threads

Homework Statement A block is placed against the vertical front of a cart as shown in the figure. (see attachment) What acceleration must the cart have in order that block A does not fall? The coefficient of static friction between the block and the cart is u_s. Homework Equations f_s=u_sn...

Homework Statement Five hoboes, each with mass m, stand on a railway flatcar of mass M. They jump off one end of the flatcar with velocity u relative to the car. The car rolls in the opposite direction without friction. (a) What is the final velocity of the flatcar if all the men jump at...

I am trying to fully understand Newton's Third Law. I am getting there, but there are a few examples that sort of have me scratching my head for a bit. Me and a cart are stationary, then I decide to push the cart. I exert a force on the cart and simultaneously, the cart exerts an equal and...

Self Propelled Golf "Pull" Cart Hello everyone. I am quite the novice when it comes to stuff like this but I was wondering if anyone would be able to help me with a project I would like to undertake. My idea is to build a golf “pull” cart with some sort of DC motor that might run off a battery...

Homework Statement A student flings a 23g ball of putty at a 225g cart sitting on a slanted air track that is 1.5m long .The track is slanted at an angle of 25° with the horizontal. If the putty is traveling at 4.2m/s when it hits the cart, will the cart reach the end of the track before it...

I am currently working on an idea of mine and have an issue. I have a car with 6 wheels on it with an estimated weight of 400 Lbs. It will be using 8" pneumatic tires and would like to calculate the how much toque in need in the motor to drive it. I plan on it going no faster than about 1 Foot...

Homework Statement A block is sitting on top of a cart (block A). The cart is being pulled at 200N to the right. If a force F = 200N is applied to the 30 kg, cart, show that the 20kg block A will slide on the cart. Also determione the time for the block A to move on the cart 1.5m. The...

I am having trouble trying to find the force required to accelerate a wheeled cart. so that i can calculate the bending moment in a stopping bracket, the bit I am stuck on is The Acceleration of the cart, the situation is; An 80,000Kg Wheeled cart runs on rails from rest and hits a stop...

Homework Statement Two guys are sitting in a cart. At point C, they jump off to avoid the cliff below. How long in time(total) will it take the guys to go from Point A to C? How long will it take them to roll from A to B, and from B to C? Homework Equations t = square root[2*(l)/(g)(sinө)]...

Homework Statement Figure 7-40 shows a cord attached to a cart that can slide along a frictionless horizontal rail aligned along an x axis. The left end of the cord is pulled over a pulley, of negligible mass and friction and at cord height h = 1.4 m, so the cart slides from x1 = 4.0 m to x2...

I'm having some trouble with some homework and I'm hoping someone can help me. PROBLEM: #6. Cart1, with mass m, is initially at rest and is struck by cart2, which has a mass of 336 kg and initial speed of 1.81 m/s. The collision is elastic and after the collision cart2 continues to move in its...

Consider a light clock, i.e. two ideal mirrors, mounted in parallel with a vacuum in between, such that, in principle, a beam of light or just a single photon will keep bouncing between the two forever. Now consider the light clock on a cart. If the cart, from the beginning, has constant...

Homework Statement A 63kg student stands on 34kg cart that is free to move in any direction. The cart and student are moving together with a velocity of 3.2 m/s [W]. The student then starts to walk so that her velocity is 1.8 m/s [25 degrees W of N] relative to the floor. Calculate the new...

Homework Statement a grocery cart is being oused with a force of 450 N at an angel of 30degree to the horizontal. if the mass of the cart and groceries is 42kg. a) calculate the force of friction if the coeffcient of friction is 0.60. b) determine the acclecration of the cart...

1. So the problem is rather simple. And the descriptive solution is a piece of cake. But I need help finding the mathematical relationship that exists between the mass of the pulley, mass of the cart, and the acceleration. In other words our lab consisted of a cart which had a mass of 500 grams...

Homework Statement A cart moves with velocity vC = 10 m/s in the horizontal direction as shown below. [PLAIN]https://online-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?courses/phys100/fall10/hwb/04/01/cart.gif A ball is ejected from the cart with an initial velocity vB...

Block and cart friction problem - SOLVED Homework Statement You and your best pal make a friendly bet that you can place a 2.0-kg box against the side of a cart, and that the box will not fall to the ground, even though you guarantee to use no hooks, ropes, fasteners, magnets, glues, or...

Homework Statement A cart of mass mA = 5.7 kg is pushed forward by a horizontal force F. A block of mass mB = 0.76 kg is in turn pushed forward by the cart as show on the picture: (The picture shows 9.8m/s^2 pointing down, Force coming from left to right point at the cart which weighs...

I'm having problems of calculating the acceleration and velocity of a cart traveling down an inclined plane. I also need help calculating Sin theta. I've used 2 formulas to try calculating the acceleration and i get different answers. the first formula is a=2s/t2(squared), the 2nd formula was...

No rules besides u cannot use a shopping cart,bicyle to build off of and u cannot use a motor or pedals with chain. I am going to use bicycle wheels. 2 rear and one front. where should i go from here? Anything goes really. ill post some pics from the past cpl years of what people did...

Homework Statement A cart is pushed up a ramp with an initial speed v0=2.5m/s. For this problem, you may assume that the cart is frictionless and the acceleration of the cart a=gsin\theta. A) If the angle of the ramp is \theta=20, what is the maximum distance d that the cart will travel up...

Homework Statement I must build a cart that is no more than 30cm long, 20 cm wide, and 20 cm tall. The maximum weight of the cart is 5 Newtons or a mass of 500 grams. I have to use materials found around the house. The wheels must be made of something that has never been used as a wheel...

Homework Statement An energetic father places his 20 kg child on a 5.0 kg cart to which a 2.0 m long rope is attached. He then holds the end of the rope and spins the cart and child around in a circle, keeping the rope parallel to the ground. If the tension in the rope is 100 N, how much...

Homework Statement How do you find the effort force of pulling a cart up a ramp with no friction and you know that the weight of the cart is 7.6734 N? Homework Equations W=F\DeltaXcos\theta Efficiency=(work output / work input) x 100 The Attempt at a Solution My main goal is to...

Homework Statement A cord is attached to a cart that can slide along a frictionless horizontal rail aligned along an x-axis. The left end of the cord is pulled over a pulley, located at height h = 1.2m. There is negligible frictional force. The cart slides from x1=3.00m to x2=1.00m. During the...

Homework Statement A 63-kg student stands on a 34-kg cart that is free to move in any direction. The cart and student are moving together with a velocity of 3.2 m/s (W). The student then starts to walk so that her velocity is 1.8 m/s (25 degrees W of N) relative to the floor. Calculate the...

Homework Statement Ok this is more of a problem I am having within a lab exercise. The scenario is this, I have a cart attached to a string that is attached to a mass of 100g hanging off the ground with a pulley.. So the cart is on a table, the string goes upwards, hooks around a pulley and...

Homework Statement An 0.80-kg cart rolls down a 30.0° hill from a vertical height of 0.50 m. The distance that the cart must roll to the bottom of the hill is 0.50 m/sin 30.0°=1.0 m. The surface of the hill exerts a frictional force of 5.0 N on the cart. Does the cart roll to the bottom of the...

Homework Statement A cart containing sand starts at rest and then rolls, without energy loss to friction, down into a valley and then up on a hill on the other side. The initial height is h1 and the final height is h2. If the cart leaks sand along the way, how does h2 compare to h1...

Attached is a sketch of a sheet rock cart. The cart weighs 79 pounds and I have indicated the location of the centroid. The load on the cart consists of several sheets of material that weigh 1200 pounds. I am trying to determine the pulling force required (F) to tip the cart over (assuming...

Homework Statement a.) The ultrasonic motion sensor sends pulses of the ultrasound toward a cart on the low-friction track and determines the distance by the time an echo takes to return. The temperature in the lab is equal to 20 °C. What is the distance between the motion sensor and the cart...

a horizontal force of 200 Newtons is applied to a 55 kg cart across a 10 meter surface. If the cart accelerates at 2 meters/second squared, then what is the work done by the force of friction as it acts to retard the motion of the cart ?? Work= FX work= maX 55 kg x 2 x 10 = 1100 - 200 N...

Right I'm not stuck on the whole question it's just one bit i need advice on rather than answers.I have a cart with 2 wheels on a 30degree slope and it is in equilibrium, i know how to work out the forces directly down onto the slope mg*cos30 and the force pulling it down the slope mg*sin30. as...

Homework Statement A cart is driving on straight tracks with a velocity of 2 m/s. In the opposite direction, with an angle of 60º according to the tracks, a child with a mass of 2 kg is running with a velocity of 2m/s, he jumps on the cart and stays there. - Find the mass of the cart, if its...

Homework Statement A cart is driving on straight tracks with a velocity of 2 m/s. In the opposite direction, with an angle of 60º according to the tracks, a child with a mass of 2 kg is running with a velocity of 2m/s, he jumps on the cart and stays there. - Find the mass of the cart, if its...

Hello there, I am having difficulty with this question: A 0.2 kg plastic cart (Cart a) and a 20 kg (Cart b) lead cart can both roll without friction on a horizontal surface. Equal forces are used to push the two carts forward for a distance of 1 m, starting from rest. Which cart has the...

I have just done this experiment where i have a cart roll down a ramp and a ticker tape timer does its ticks on a tape atached to the cart. already i can make a postion (or displacement from a dot of reference)- time table. for 1.0 second going down the ramp i all ready have finished the...

An energetic father stands at the summit of a conical hill as he spins his 24 kg child around on a 5.7 kg cart with a 2.0-m-long rope. The sides of the hill are inclined at 24 degrees . He keeps the rope parallel to the ground, and friction is negligible What rope tension will allow the cart to...

Hi, Newby here trying to design a small piece of lawn equipment in my shop. I want to design my own leaf blower using a small electric motor to turn the shaft of a squirrel cage blower. A friend of mine built himself this same system except he used an old lawnmower motor. It works great but...

Homework Statement Two remote control cars with masses of 1.11 kilograms and 1.81 kilograms travel toward each other at speeds of 8.75 meters per second and 3.39 meters per second, respectively. The cars collide head-on, and the less massive car recoils with a speed of 2.99 meters per second...

A friend and I were imagining a physics problem for fun: A 3kg rectangular cart has a pulley system on its front edge. 1kg weight suspended is down the front, and it's attached by a rope through a mass-less pulley to a 1kg mini-cart on top of the cart. There is no friction between the ground...

Homework Statement http://edugen.wiley.com/edugen/courses/crs1650/art/qb/qu/c07/pict_7_42.gif Figure 7-42 shows a cord attached to a cart that can slide along a frictionless horizontal rail aligned along an x axis. The left end of the cord is pulled over a pulley, of negligible mass and...

A 10 kg cart is pulled by a force of 14 Newtons for a distance of 6 meters, then by a force of 6 Newtons for 4 meters, then it is pushed (slowed down) by a force of 6 Newton for 1 meters. All this occurs on a horizontal surface. a) Initially assuming the surface to be frictionless, what net...

Alright so I just wrote an AP physics test and one of the true or false questions was: A horse pulls a cart and the cart pulls back on the horse with the same force. Does the cart move? (the cart starts at rest) I said false because in order for an object to move it needs a net force but...

Homework Statement http://img188.imageshack.us/img188/9897/73266226.png The problem is to create an equation to find the acceleration of the cart based upon theta. All that is given is the ball hanging is known as mass m. Homework Equations f=ma f=\frac{mv^{2}}{r} The Attempt at a...

Homework Statement Plot a displacement-time, velocity-time, and acceleration-time graph for a wheeled cart that rolls down an inclined plane. Already finished the displacement-time graph, but am questioning the correctness of the v-t and a-t graphs. What should they look like? (Like d-t...

Homework Statement A .5 kg cart moves on a horizontal surface. The graph of vx,t is attached a) Indicate all time cart is at rest b)indicate every time interval for which the speed is increasing c)determine the horizontal position of x of the car at t=9s if the cart is located at x=2 @...

Homework Statement Jill has just gotten out of her car in the grocery store parking lot. The parking lot is on a hill and is tilted 3 degrees. Fifty meters downhill from Jill, a little old lady let's go of a fully loaded shopping cart. The cart, with frictionless wheels, starts to roll...

In the diagram below, a cart is released from rest at a distance x1 from the first of two photogates. The cart then rolls down the ramp through both photogates. The distance between the photogates is x2. For this problem, you may assume that the cart is frictionless and the acceleration of the...

1. When a student exerts a force on a lab cart that is carrying some masses, the acceleration is 3.0 m/s2. If the force is tripled and exerted on the cart with a total mass of one half the original, then the acceleration will be 2. f=ma 3. do i just times 3.0m/s2 by three? or do i...