Need help on a ohysics porject involving construction

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SUMMARY

The discussion centers on a grade 11 physics project requiring the construction of a device that moves a minimum displacement of 5 meters north using only the energy from a rubber band. The suggested solution involves using a cotton bobbin, a lollipop stick, a drawing pin, and an elastic band. By winding the elastic band around the bobbin and securing one end with the drawing pin, the device can achieve motion when released. This method effectively utilizes stored elastic potential energy to propel the device forward on a carpeted surface.

PREREQUISITES
  • Understanding of potential and kinetic energy concepts
  • Basic knowledge of mechanical components like bobbins and elastic bands
  • Familiarity with simple machines and their functions
  • Ability to construct basic physical models
NEXT STEPS
  • Research the principles of elastic potential energy and its conversion to kinetic energy
  • Explore designs for rubber band-powered vehicles
  • Learn about friction and its effects on motion on different surfaces
  • Investigate the physics of simple machines and their applications in project design
USEFUL FOR

This discussion is beneficial for high school students working on physics projects, educators seeking practical examples of energy conversion, and hobbyists interested in building simple mechanical devices.

amritha
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hii I'm in grade 11 and this is regarding an improtant physics projectwhere i need to build a device/ transporter ( I'm GUESSING thst it should be something like a car)this device has to move and have a displacement of 5m north at least and it can obtain its energy to move only form a rubber band and nothing else. there should be NO external forces tht will help the device to move. the object shoudl remain on the surface (its a carpet in this case) throughout its journey.
pleasez reply and help. any suggestions or adive also will do.
thank u
amrita
 
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This should be in the homework help section... but never mind.

You need a cotton bobbin, a small piece of wood (lollipop stick?), a drawing pin and an elastic band.

Feed elastic through the centre of the bobbin, pin one side down to the side and then wind it up using the stick. Put on the floor, the stick is pushing on the floor preventing it from unwinding, so the cotton bobbin umwinds instead, giving you your motion.

Good luck!
 

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