How do I calculate g-forces on a roller coaster?

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SUMMARY

This discussion focuses on calculating g-forces experienced on a roller coaster using a small-scale model with a Hot Wheels car and plastic track. Key concepts include the use of the gravity constant (9.8 m/s²) and the relationship between acceleration and g-force. Participants emphasize the importance of considering both positive and negative vertical g-forces, as well as the direction of acceleration. The discussion highlights the need for accurate data collection on the car's mass and acceleration to derive meaningful calculations.

PREREQUISITES
  • Understanding of basic physics concepts, specifically Newton's laws of motion.
  • Familiarity with the concept of g-force and its calculation.
  • Knowledge of acceleration and its relationship to gravity (9.8 m/s²).
  • Ability to collect and analyze data from physical experiments.
NEXT STEPS
  • Research methods for calculating g-forces using the formula g = a/g, where 'a' is acceleration.
  • Explore the effects of radius on g-force calculations in roller coaster design.
  • Learn about the implications of positive and negative g-forces on rider safety and comfort.
  • Investigate simulation software for modeling roller coaster dynamics and g-force analysis.
USEFUL FOR

This discussion is beneficial for physics students, educators designing roller coaster projects, and hobbyists interested in model physics and engineering principles.

blackojacko
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Homework Statement


I have constructed a small scale roller coaster for my physics class. I was given the task of finding a track design with a safe and enjoyable ride. For times sake I plan to simply calculate the changes in g-force. I am using a hotwheels car and plastic track. I simply need to know how to go about calculating negative and positive vertical g-force.

Homework Equations


The few I have read about consist of the gravity constant and radius. Realistically radius might not be able to be obtained.

The Attempt at a Solution


I collected the mass of the car, and its acceleration throughout the track, but anything past data collection has not taken place.
 
Physics news on Phys.org
So convert the acceleration units?
 
Pretty much - remember the direction.
If you completely enclosed someone on a roller-coaster, they'd feel gravity change direction and strength.
That's what g-force is about.
Did you read the article?
 

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