Recent content by Roberta314

  1. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    I just built a prototype, although the issue is the mouse trap catapult doesn't seem to be strong enough to propel the car 6m. I am thinking of just buying a bigger mouse trap, but that will for sure increase the weight of the car. So do you have anything suggestions on what else I might be able...
  2. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    Since my car only has to travel 6m, I think as long as I have a good wheel and axel design the energy from the just a simple mousetrap catapult should be enough for it to make it that far.
  3. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    Would increasing the length of the catapult arm(having it launch at at higher spot) allow it to go further?
  4. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    So far my idea is to build a catapult using a mouse trap and just attach that onto my car. And I looked into that scene from "Wrath of Khan" but I can't seem to pick out something from there than relates to my project.
  5. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    Hmm I haven't seen that movie, could you care to elaborate a bit more on that idea for propulsion?
  6. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    Which one of these would be easier to build? To me the silly putty seems to be a better option but I can't really find any clear instructions on how to make one.
  7. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    There are no dimension requirements other than the max weight. So far I can only think ways to launch the projectile (catapult, sling shot, spring, etc.). My thought is that if I can launch a heavy projectile at a decently fast speed which keeping the car light it will travel faster and further...
  8. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    Oh yes thanks for reminding me I just edited the requirements. And the attachment must have been an accident I didn't want to attach anything.
  9. Roberta314

    Physics Project Ideas for this Competition please (self-propelled car)

    Hey guys I'm currently working on a school physics project and I need some ideas for it. So basically the goal of the project is to create a vehicle that has to propel itself forward by firing a projectile backwards. The vehicle will be judged based on a scoring system that includes 3 criteria...
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