What is Vehicle: Definition and 407 Discussions

A vehicle (from Latin: vehiculum) is a machine that transports people or cargo. Vehicles include wagons, bicycles, motor vehicles (motorcycles, cars, trucks, buses), railed vehicles (trains, trams), watercraft (ships, boats), amphibious vehicles (screw-propelled vehicle, hovercraft), aircraft (airplanes, helicopters) and spacecraft.Land vehicles are classified broadly by what is used to apply steering and drive forces against the ground: wheeled, tracked, railed or skied. ISO 3833-1977 is the standard, also internationally used in legislation, for road vehicles types, terms and definitions.

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  1. L

    Exploring the Physics of Vehicle Dynamics in Programming: An Amateur's Journey

    Centripetal force, enertia, friction, velocity, and mass; these are the forces I've collected that I need to manipulate to simulate vehicle dynamics. I'm playing around in Adobe Flash working on a vehicle rig for a simple game for self education's sake. Now I don't know anything about...
  2. A

    How can I determine the center of mass of a vehicle?

    Homework Statement I have to find the center of mass of any vehicle. Homework Equations These are what I have to make. The Attempt at a Solution Here is what I have thought. I have two solutions :- 1. To find the mass of all the major components and their centers and then...
  3. O

    Variable Velocity Vehicle Project

    Hi everyone, We recently were assigned a Variable Velocity Vehicle Project (VVV) in my physics class. The idea is we are supposed to create a vehicle (with 4 wheels) that: 1) That should travel 6.00m and keep moving an additional meter before stopping. In other words, it has to stop at 7...
  4. V

    Understanding the Induction of an EMF and its Effect on Vehicle Speed

    I did part a) of this question but got stuck when it comes to part b). It asks how the induction of an emf causes the vehicle to slow down. When the aluminium disc rotates, this conductor cuts through a magnetic field so there is an emf induced. So this induced emf means that there is an...
  5. B

    Can Machine Gun Bullets Propel a Vehicle to Required Speeds?

    Homework Statement The Army of the Nation of Whynot has a plan to propel small vehicles across the battlefield by shooting them, from behind, with a machine gun. They've hired you as a consultant to help with an upcoming test. A 100 kg test vehicle will roll along frictionless rails. The...
  6. A

    Building a Vehicle for Mass Loads with Flight Capabilities

    Hi Experts! I have my own company and we are working on small project for goods movement. I would require your valuable help to achieve this... Brief: A vehicle which can carry mass load and can fly from one point to other. Direction is changable. Which can be controlled. This is manually...
  7. R

    Turning radius of a ZTR vehicle with two different wheel velocities

    Hi folks, my first post here, looks like a very helpful website though, so i thought i'd share my problem. I'm a mechanical engineering student working on a vehicle that has a zero turning radius system, which is to say (for the purposes of this problem) that it's controlled by 2 drivewheels...
  8. K

    Vehicle Aerodynamics: Motorcycle vs Truck

    why is a motorcycle more aerodynamically affected than a truck??, I have been lead to believe it is because of the lower density, is that true?? and how can i justify it?? Thanks
  9. C

    Vehicle safety features question

    Vehicle Safety Features Your task is to identify social issues, such as cost benefit analysis, requiring or arising from the development of safety features for vehicles, to research information about the issues you have identified, and to create a communication product to synthesize your...
  10. L

    Top speed of vehicle on a curved road

    Homework Statement Fifteen clowns are late to a party. They jump into their sporty coupe and start driving. Eventually they come to a level curve, with a radius of 31.5 meters. What is the top speed at which they can drive successfully around the curve? The coefficient of static friction...
  11. T

    Building a small electric vehicle

    I have recently come across a few electric motors (donated to me for my school's Technology Club), two from a wheel chair with gear reduction and another power window motor from a car. The power window motor has a worm gear on it of course, which is directly attached to the axle, but can be cut...
  12. 4

    Building a Vehicle to Withstand 40ft Drop: Egg Drop

    Homework Statement Hey, I was wondering what the proper section to post this in, and if it is okay to post it: I have to do a project that goes something of this sort: Basically build a vehicle no more than an empty mass of of 50 +/- 5 grams, and drop it from a point of approximately...
  13. N

    Calculating Vehicle Speed at Impact: The Equation and Variables

    I am not too good at physics so I thought I would post here to find an answer to a question. I was recently involved in an automobile accident and was wondering if there was a formula to calculate how fast the other car was traveling at the time of impact. The details are as follows: Vehicle 1...
  14. L

    Space Vehicle Patent: Is Electromagnetic Propulsion Possible?

    This picture is on the cover of this PATENT That refers to this ELECTROMAGNETIC PROPULSION Is any of this considered possible?
  15. L

    Kinetic/Potential Energy of Vehicle on Ramps

    Homework Statement Under the influence of gravity g, a vehicle with mass m and initial velocity v0, travels a distance d1 to the bottom of a frictionless ramp ("a" degrees above horizontal). It then begins to travel up a ramp ("b" degrees above horizontal) with friction coefficient u. What...
  16. P

    Deceleration of a vehicle problem

    I do not understand vehicle deceleration. The Attempt at a Solution d = µg 6.687 = .7 * 9.81 d = 6.687 m/s My question is...is it always figured out this way when dealing with vehicles.
  17. B

    Advantages/disadvantages of disc brakes in any vehicle

    could someone let me know the problems being faced while using disc brakes in any sort of vehicles?
  18. S

    Free body diagram for each vehicle

    Homework Statement In the movie "Jurassic Park 2", a jeep is struggling to pull a trailer back up from over a cliff. The jeep is connected to the trailer by a cable. The jeep in on level ground and the trailer hangs from the cable over the of the cliff. The jeep has a mass of 850 kg and pulls...
  19. H

    Solve Vehicle Physics Problem: Find Maximum Ground Speed with Headwind

    Hi, A vehicle land on a mountain of 4400ft.The Engine delivers 400hp to the wheels and careful streamlining has resulted in a drag coefficient of 0.5,based on a 20ft^2 frontal area.Compute the maximum ground speed of the car in i)still air and ii)with a 20mph head wind for part i)I have...
  20. M

    Is My Formula Accurate for Calculating Vehicle Transmission Ratios?

    I think I have devised a formula to depict the correlation between engine speed and tire speed. Can anyone confirm or correct this? [ 1 mile / ( diameter of rim + profile thickness of tire ) * pi ] * ( x / 60 ) * ( gear ratio ) * ( final gear ) I used this in a function to graph the 5...
  21. G

    Calculating/Simulating Vehicle Braking Force

    Hi All, I know this type of question has been asked many times but I need help to clarify for myself if I'm doing the right thing. So here goes... I am trying to simulate/understand the forces on a vehicle as it is traveling on a road. In particular as it is traveling up hills. So if I...
  22. A

    Classic Vehicle Collision scenario

    Homework Statement Im hopeless at interperating this, so ill just quote it: "The masses of the vehicles involved in the collision have significant influence on injury occurence. Suppose a large car of 2000kg and a small car of 1000kg hit head-on when both are traveling at 60km/h. The mass...
  23. D

    Caculating linear speed of a vehicle

    i need a formula for caculating linear speed of a vehicle. the question is wheel diameter 1.075 metres what is the linear speed of the vehicle when the wheel is rotating at 300 rev/min? thanks dan
  24. A

    Electric vehicle battery question

    Hi, i really hope someone can help me with this... what type of battery that is suitable for an electric vehicle(slow walking speed,electric wheel barow)? is it a deep cycle marine? I have a problem on how to choose the correct battery. i have choose a motor which can produce a max...
  25. A

    Small electric vehicle project help

    I hope someone could verify/help/alter/add on my design calculation of an electric vehicle (in my case is a powered wheel barrow,3wheel, 2front wheel,1 back wheel castor, dc electric motor powered 2 front wheel). The specifications are: Speed : 2m/s maximum Weight : 150 max kg Gearbox...
  26. W

    Design Brick-Powered Vehicle: Travel 40ft & Stop on Dime

    Design a vehicle that is powered only by a block of brick as the source of energy. The vehicle must travel 40 feet and stop on the dime after 40 feet (in other words travel total of 40 feet of distance). Design a pulley system involving a brick falling from a height (stored potential...
  27. S

    Designing a Vehicle Powered by One Rubber Band to Transport an Egg

    i need some help. i am supposed to design a vehicle that is powered only by one standard rubber band to transport an egg to the greatest possible horizontal displacement without breaking the egg. the vehicle can't have any rotating parts. must be constructed from basic parts (ie not...
  28. S

    Ke/pe Vehicle Help: Create 5m Distance w/o Chemicals

    Ke/pe Vehicle Help! we have to construct a vehicle for physics class that can travel the greatest distance possible. the energy must be stored "in" the vehicle as potential energy, and must have a 'rolling' aspect. we cannot use any chemical reactions or slingshot methods. it must travel...
  29. R

    The physics of vehicle accidents

    Students! Draw a free-body diagram! :biggrin: http://www.liveleak.com/view?i=0ac0ad98af
  30. Clausius2

    Buran Program: USSR's Unfortunate Cold War Spacecraft

    I was nostalgic of the 80's and the cold war and I came up with this while surfing the web: http://en.wikipedia.org/wiki/Buran_program The Buran's program. It's incredible how much bad luck did they have. Eventually an hangar collapsed down and killed 8 workers and one of the built...
  31. B

    What exactly is a zero radius turn vehicle?

    Well for my project in 6th sem, I'm planning to make a zero radius turn vehicle. What i understand by a zero radius turning vehicle is that it should keep the centre of mass at a fixed position and then rotate so that it moves 180 degrees. That is the maximum movement i should be able to show i...
  32. F

    Ship called the CXV (Crew Transfer Vehicle)

    I read an article in Popular Science about a ship called the CXV (Crew Transfer Vehicle).:confused: It is made by a company called t/Space. I was wondering if anyone knew anything about it. Any help is welcome.
  33. P

    Help with a vehicle roll problem

    I want to calculate the roll of a car going around a turn that is bank 24 degrees at a velocity of 160mph and a track width of 50 inches. TO be honest I am not sure where to start with the data I am given. It would seem to be a simple dynamics problem
  34. K

    Can Wheels Increase Velocity When Separated From Vehicle?

    Is it possible for a wheels forward velocity to increase when separated from a moving vehicle? If so please describe what makes this possible?
  35. wolram

    Design a Vehicle: Create a Realistic, Practical, User-Friendly 3-in-1

    A real world vehicle, for land sea and air, no seriously could anyone do it? it would have to be user friendly, not outrageously expensive to run, carry at least 2 people and be practical.
  36. wolram

    Macho Vehicle Modification Challenge - Any Advice Welcome!

    Any enviromentalists do not look . So do you want a fast vehicle? i am trying to get a classic 1960 motorbike to go faster, i know it will never reach current motorbike standards, but it is the challenge, with some nostalgia ,that drives me, any engine gurus out there? if so your advice...
  37. V

    Could Vehicle A's higher acceleration have caused the crash at a 4-way stop?

    This is a real life situation, no homework associated. I am a mechanical engineer by degree, but have not actively worked in the field for over 20 years. However, I remember enough to be dangerous. I am looking for some high level, back of the envelope analysis. My wife was involved in an...
  38. MichaelWReed

    Spherical Vehicle Design by Michael W. Reed

    Spherical Vehicle Design by Michael W. Reed I have been thinking this idea over for a few months now, and I thought that it was time to ask for help. My inspiration for this idea came from trying to think of the most all-terrain vehicle possible. Once I realized a sphere would...
  39. A

    Building a Gravity-Powered Vehicle: 5 Meter Challenge

    i have to build a vehicle "powered soely by gravitational potential energy that will travel at least a linewar distance of 5 meters under its own power. no elastic potential energy (such as a mousetrap) allowed" i was wondering if anyone out there had any idea on where to start or knew of a...
  40. B

    Force required to move stationary vehicle?

    ###force required to move stationary vehicle??### I am undergoing a product development as part of my full time business. I have forgotten a lot of the Physics I learned back in my school days and have been having trouble getting help with this issue, so I hope someone here can help. The...
  41. M

    Patent 4 a close 2 C space vehicle drive

    O.k., so I'm a nerd. I like occationally checking out the U.S. patent site for nifty new ideas, which, I'll admit, is a bit like looking through the dictionary for words I'm not familiar with (another of my less than sexy habits), but THIS time I found something you don't see everyday. It's a...
  42. L

    NASA Space Elevator Feasibility: NASA Announces New Launch Vehicle and CEV

    Yeah, they'll have those right after they have satellites that can scratch your ass with a laser beam from space. Cheers...
  43. Astronuc

    NASA NASA Announces New Launch Vehicle and CEV

    How We'll Get Back to the Moon - http://www.nasa.gov/missions/solarsystem/cev.html However - NASA Estimates Moon Rocket Will Cost $104B http://news.yahoo.com/s/ap/20050919/ap_on_sc/moon_rocket By MARCIA DUNN, AP Aerospace Writer On the other hand, NASA has Michoud (La), Stennis (MS)...
  44. F

    Heavy Vehicle Hissing - Exhaust Brakes Explained

    Recently while traveling on a bus down a fairly steep descent, I became very aware of the regular hissing of, what I'm assuming were, the brakes - it would come at fairly regular intervals, a voluble burst of hiss, I think I might've been more aware of it because of where I was sitting on the...
  45. M

    How can I prove my innocence in a three-car crash using physics?

    I need to do some homework for court. It has been more than 30 years since I was in a physics class. I was the middle car in a three-car crash at a stop light - traffice started to move after the light turned green, then all of a sudden someone in the line in front hit their breaks. The...
  46. S

    How to calculate vehicle deceleration (time to stop)

    Ok here is my question. Take a person riding a bike. If you can calculate their momentum by knowing their total weight and speed, how could you calculate the DISTANCE they will roll if they stop pedalling and apply no force. Assume that there is absolutely no wind at the time. And add in a grade...
  47. F

    Exploring Energy Changes During Vehicle Acceleration

    Describe the energy changes involved when the vehicle is accelerating along the horizontal road. I don't know what are the energy changes during the process. Thanks.
  48. A

    Speed of light in any man made vehicle

    i do not know if the theory behind this will work, but seems plausable now as far as i know, we have not attained the speed of light in any man made vehicle, however, 1/4 the speed of light seems a much more plausable situation. in this experiment, the set up looks somthing like this...
  49. N

    Calculate acceleration of a vehicle.

    hello, i need to calculate acceleration of a vehicle. I have power (70 bhp), Tractive force (498N). Can someone help me please. I know i should use dv/dt but i can't remember how to do differential equations. Also I need the formula to include downforce as I am designing a rear wing. does...
  50. F

    Solving for Time of Flight of Stunt Vehicle

    A stunt vehical leaves and incline with a speed of 35 m/s at a height of 52-m above level ground. Air reistance is negligible. Find the vehicals time of flight? Well i found the x and y components of the vehicals velocity. And i know to use d = Vit + 1/2at² giving me: -52 = 16.4t +...
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