Does the Dip Angle Change on a Rollercoaster with a Rotating Compass?

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SUMMARY

The discussion centers on the behavior of a rotating compass's dip angle while riding a roller coaster with a 360-degree loop. It is established that the dip angle, which is influenced by the Earth's magnetic field and geographic location, would indeed change as the roller coaster traverses the loop. The orientation of the loop, particularly whether it is aligned east-west or north-south, affects the magnitude of this change, with a more significant variation occurring in the north-south orientation at different latitudes.

PREREQUISITES
  • Understanding of magnetic dip angle and its relation to Earth's magnetic field.
  • Familiarity with compass mechanics and behavior in varying orientations.
  • Basic knowledge of roller coaster physics, particularly forces experienced during loops.
  • Geographic awareness of Earth's poles and equatorial regions.
NEXT STEPS
  • Research the principles of magnetic dip and how it varies by location on Earth.
  • Explore the physics of roller coasters, focusing on forces experienced during vertical loops.
  • Investigate compass calibration and sensitivity in dynamic environments.
  • Examine the effects of geographic orientation on magnetic instruments.
USEFUL FOR

Physics enthusiasts, roller coaster designers, geophysicists, and anyone interested in the interaction between magnetic fields and motion.

hankaaron
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Say I had a special type of compass which was free to rotate about its axis in the vertical plane. If I were to ride a roller coaster which had a 360 loop, would the dip angle of the compass needle change as I rode through the loop?
 
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The dip angle depends on where you are on the planet in relation to the poles. If this "dip meter"was sensitive enough I can't see why it wouldn't change. I suppose if the loop were orientated east-west at the equator the change would be smaller than if north-south elsewhere.
 

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