How Can I Maximize Efficiency in a 1 Joule Vehicle Project?

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SUMMARY

The discussion centers on maximizing efficiency in a physics project involving a vehicle powered by 1 Joule of gravitational potential energy, calculated using the equation mgh. The participant considers two primary methods: utilizing an inelastic collision to disregard the vehicle's weight or employing a ramp to leverage height and mass. They propose a lightweight vehicle design, weighing 100 grams, with a drop height of 1 meter, and contemplate using larger wheels for improved efficiency. The idea of implementing a maglev system is also mentioned, although practicality concerns lead to a focus on simpler designs.

PREREQUISITES
  • Understanding of gravitational potential energy (mgh)
  • Knowledge of inelastic collisions in physics
  • Basic principles of vehicle design and stability
  • Familiarity with maglev technology concepts
NEXT STEPS
  • Research the principles of gravitational potential energy and its applications in vehicle design
  • Explore the mechanics of inelastic collisions and their impact on energy conservation
  • Investigate design strategies for lightweight vehicles, focusing on materials and aerodynamics
  • Learn about maglev technology and its feasibility for small-scale projects
USEFUL FOR

This discussion is beneficial for physics students, educators, and hobbyists interested in vehicle design, energy efficiency, and practical applications of physics principles in project-based learning.

xale52791
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Alright. I have a physics project due in about 10 days and I am not quite sure how to go about it. I have to make a "vehicle" move as efficiently as possible. I can only use 1 Joule of potentional gravitational energy per the equation mgh. The only specifications of the vehicle are that it is safe to its surrounding and the people watching and that it has at least 2 wheels on the ground at all times. I can either make it move using an inelastic collision (that way the weight of the car isn't counted into mgh) or i can put the car on a ramp and have its vertical height and mass count into the equation.

I think that i should just drop the car because not all the work will be conserved into force during an inelastic collision. The simplest way to do it would be a 100g car and the track 1m high. I don't know what the best way to do it is, whith more mass and less height or the other way around.

My idea is to use a maglev type of thing with 2 guidewheels to keep it straight.

Any help is much appreciated!
 
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probably not going to have time to do a maglev, so now I am thinkin just something really light with a longer drop and very large wheels
 

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